CVE-2020-11853 microfocus · operation bridge manager

Micro Focus Operations Bridge Manager Authenticated Remote Code Execution

Vulnerability at a glance

Severity, exploitation likelihood & attack requirements

CVSS v3.1 severity
8.8High
EPSS · exploitation likelihood
76.99% Probability within 30 daysPercentile 99.6
EPSS trend
Unchanged Since 2026-10-14
Known exploitation
Not in KEV CISA KEV catalog Absence does not establish safety
Attack vector
NetworkRemotely reachable
Attack complexity
LowFewer obstacles to exploitation
Privileges required
LowBasic privileges required
User interaction
NoneNo user action needed
Exploit availability & maturity
Not scored Availability not established No explicit exploit maturity assessment View exploit evidence
How to read the colors & trend
Higher exposureElevatedModerateLower exposureUnknown / unassessed

CVSS colors follow its reported severity. Attack-factor colors describe each requirement, not an overall risk rating. Gray also covers absence from KEV; absence does not establish safety.

EPSS display bands: below 1% blue, 1–10% amber, 10–50% orange, 50% and above red. These are presentation bands, not FIRST severity categories. The trend compares daily EPSS probabilities, not percentile ranks; “pp” means percentage points. The sparkline shows relative movement, with its vertical scale fitted to the observed scores.

Already protected by existing Atomicorp rules No new CVE-specific rule required.

Atomicorp ModSecurity protection

Protected by Atomicorp rules

Atomicorp ModSecurity rules block attacks exploiting this vulnerability when blocking is enabled. Keep your rules current.

By targeting underlying attack techniques and CWE weakness classes, existing rules can protect against newly disclosed vulnerabilities. Rule changes are regression-tested against attack and false-positive corpora.

1 rule identified Verified 2026-10-21 View rules & research details →

WAF protection applies to the tested attack paths; it does not change the CVSS or EPSS score. Keep your software patched and your Atomicorp rules current.

CISA SSVC

No CISA SSVC assessment is available in the current source data.

On this page

CVE Details

  • Protection status: Protected by Atomicorp rules · About protection statuses
  • CVE: CVE-2020-11853
  • Name: Micro Focus Operations Bridge Manager Authenticated Remote Code Execution
  • Severity: High
  • CVSS: 8.8 (v3.1) (High)
  • CVSS version: 3.1
  • CVSS source: N/A
  • CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    • Attack vector: Network
    • Attack complexity: Low
    • Privileges required: Low
    • User interaction: None
    • Scope: Unchanged
    • Confidentiality impact: High
    • Integrity impact: High
    • Availability impact: High
  • CWE: N/A
  • Vendor: microfocus
  • Vulnerable products: operation bridge manager , operations bridge manager , universal cmbd foundation , application performance management , data center automation , hybrid cloud management , service manager automation
  • CVE published: 2020-10-22
  • CVE last modified: 2026-06-17
  • Affected versions (NVD configurations):
    • operation bridge manager: <= 10.10
    • operation bridge manager: 10.11
    • operation bridge manager: 10.12
    • operation bridge manager: 10.60
    • operation bridge manager: 10.61
    • operation bridge manager: 10.62
    • operation bridge manager: 10.63
    • operations bridge manager: 2017.11
    • operations bridge manager: 2018.02
    • operations bridge manager: 2018.05
    • operations bridge manager: 2018.08
    • operations bridge manager: 2018.11
    • operations bridge manager: 2019.05
    • operations bridge manager: 2019.08
    • operations bridge manager: 2019.11
    • operations bridge manager: 2020.05
    • universal cmbd foundation: 10.20
    • universal cmbd foundation: 10.30
    • universal cmbd foundation: 10.31
    • universal cmbd foundation: 10.32
    • universal cmbd foundation: 10.33
    • universal cmbd foundation: 11.0
    • universal cmbd foundation: 2018.05
    • universal cmbd foundation: 2018.08
    • universal cmbd foundation: 2018.11
    • universal cmbd foundation: 2019.02
    • universal cmbd foundation: 2019.05
    • universal cmbd foundation: 2019.11
    • universal cmbd foundation: 2020.05.
    • application performance management: 9.40
    • application performance management: 9.50
    • application performance management: 9.51
    • data center automation: <= 2019.11
    • hybrid cloud management: >= 2018.05, <= 2020.05
    • service manager automation: 2020.02
    • service manager automation: 2020.05
  • EPSS: 0.7699; 99.6th percentile as of 2026-10-21 (FIRST )
  • Latest Update: 2026-10-21
  • Selected Rule IDs observed: 398110
  • Matching rules: 1; rules with blocking actions: 1
  • Would-block Rule IDs: 398110
  • Request surfaces inspected: JSON request data, Request URI, Request arguments, SOAP request data
Technical vulnerability details · CVSS assessments, exploit evidence & CPE data

CVSS assessments

CVSS v3.1 · security@opentext.com

  • Base score: 8.8
  • Base severity: HIGH
  • Exploitability subscore: 2.8
  • Impact subscore: 5.9
  • Assessment type: Secondary
  • Source identifier: security@opentext.com
  • Full vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    • Attack vector: Network
    • Attack complexity: Low
    • Privileges required: Low
    • User interaction: None
    • Scope: Unchanged
    • Confidentiality impact: High
    • Integrity impact: High
    • Availability impact: High
  • Exploit maturity: Not scored

CVSS v3.1 · NVD

  • Base score: 8.8
  • Base severity: HIGH
  • Exploitability subscore: 2.8
  • Impact subscore: 5.9
  • Assessment type: Primary
  • Source identifier: nvd@nist.gov
  • Full vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    • Attack vector: Network
    • Attack complexity: Low
    • Privileges required: Low
    • User interaction: None
    • Scope: Unchanged
    • Confidentiality impact: High
    • Integrity impact: High
    • Availability impact: High
  • Exploit maturity: Not scored

CVSS v2.0 · NVD

  • Base score: 6.5
  • Base severity: MEDIUM
  • Exploitability subscore: 8.0
  • Impact subscore: 6.4
  • Assessment type: Primary
  • Source identifier: nvd@nist.gov
  • Full vector: AV:N/AC:L/Au:S/C:P/I:P/A:P
    • Attack vector: Network
    • Attack complexity: Low
    • Authentication: Single
    • Confidentiality impact: Partial
    • Integrity impact: Partial
    • Availability impact: Partial
  • Exploit maturity: Not scored

Exploitability and impact subscores describe the vulnerability’s technical characteristics. Exploit maturity describes the reported state of exploitation; these are separate measures.

Assessment source: NVD record · CVE record

Vulnerable CPE configurations

  • cpe:2.3:a:microfocus:operation_bridge_manager:*:*:*:*:*:*:*:*
    • Version end (inclusive): 10.10
    • NVD match criteria ID: 21BA18A2-15CE-48B7-8F13-8C0476804B3B
  • cpe:2.3:a:microfocus:operation_bridge_manager:10.11:*:*:*:*:*:*:*
    • NVD match criteria ID: D910D663-EE30-4EFF-8558-0B8B709819E4
  • cpe:2.3:a:microfocus:operation_bridge_manager:10.12:*:*:*:*:*:*:*
    • NVD match criteria ID: E4D2F315-A890-487D-8EFE-ECA8EAC7FEB8
  • cpe:2.3:a:microfocus:operation_bridge_manager:10.60:*:*:*:*:*:*:*
    • NVD match criteria ID: EBCFB90A-4A8F-4D30-AF04-BBAD86989B1B
  • cpe:2.3:a:microfocus:operation_bridge_manager:10.61:*:*:*:*:*:*:*
    • NVD match criteria ID: 55B43056-AB61-4F0C-AB94-F90AB31D27F2
  • cpe:2.3:a:microfocus:operation_bridge_manager:10.62:*:*:*:*:*:*:*
    • NVD match criteria ID: DFF64CB5-6F17-4CCD-A003-1464FE4899C2
  • cpe:2.3:a:microfocus:operation_bridge_manager:10.63:*:*:*:*:*:*:*
    • NVD match criteria ID: 11500010-6600-4AB0-866C-493387E13761
  • cpe:2.3:a:microfocus:operations_bridge_manager:2017.11:*:*:*:*:*:*:*
    • NVD match criteria ID: 80D8CF48-8374-4E55-9247-D5A3419FC99D
  • cpe:2.3:a:microfocus:operations_bridge_manager:2018.02:*:*:*:*:*:*:*
    • NVD match criteria ID: 74ACF007-0FD3-4D06-9632-4EC39BAAF32D
  • cpe:2.3:a:microfocus:operations_bridge_manager:2018.05:*:*:*:*:*:*:*
    • NVD match criteria ID: A1A2E37C-69DC-42AC-BE72-475561249F24
  • cpe:2.3:a:microfocus:operations_bridge_manager:2018.08:*:*:*:*:*:*:*
    • NVD match criteria ID: 918B50F0-28E3-4AA7-80F0-EF4288CBD4EA
  • cpe:2.3:a:microfocus:operations_bridge_manager:2018.11:*:*:*:*:*:*:*
    • NVD match criteria ID: F169AF11-4F4D-4A17-8808-8F5E5822D17C
  • cpe:2.3:a:microfocus:operations_bridge_manager:2019.05:*:*:*:*:*:*:*
    • NVD match criteria ID: 65B2691B-246F-4305-943F-392062AD7C9B
  • cpe:2.3:a:microfocus:operations_bridge_manager:2019.08:*:*:*:*:*:*:*
    • NVD match criteria ID: 89ED30B9-1926-4837-B080-94FD7DDE68D2
  • cpe:2.3:a:microfocus:operations_bridge_manager:2019.11:*:*:*:*:*:*:*
    • NVD match criteria ID: CFD9DF2A-E5D3-48DD-8D0A-CD2C333E5354
  • cpe:2.3:a:microfocus:operations_bridge_manager:2020.05:*:*:*:*:*:*:*
    • NVD match criteria ID: 5F113173-2ECD-4FF6-A664-A9AABFD448CA
  • cpe:2.3:a:hp:universal_cmbd_foundation:10.20:*:*:*:*:*:*:*
    • NVD match criteria ID: 2BE51B2D-7DF1-4508-B5A3-032E20A46188
  • cpe:2.3:a:hp:universal_cmbd_foundation:10.30:*:*:*:*:*:*:*
    • NVD match criteria ID: 9D7D80AC-FB54-47A3-81A5-DFB5BB6A15DD
  • cpe:2.3:a:hp:universal_cmbd_foundation:10.31:*:*:*:*:*:*:*
    • NVD match criteria ID: 3A60D591-60F6-4CE6-9AE3-47BF4CF95AE2
  • cpe:2.3:a:hp:universal_cmbd_foundation:10.32:*:*:*:*:*:*:*
    • NVD match criteria ID: 33C0BC34-52AB-4F53-A145-F162CB877402
  • cpe:2.3:a:hp:universal_cmbd_foundation:10.33:*:*:*:*:*:*:*
    • NVD match criteria ID: EA5D2048-E648-4D2A-89F6-2A69873E761F
  • cpe:2.3:a:hp:universal_cmbd_foundation:11.0:*:*:*:*:*:*:*
    • NVD match criteria ID: 9079A929-F91A-4884-98B5-E35457299975
  • cpe:2.3:a:hp:universal_cmbd_foundation:2018.05:*:*:*:*:*:*:*
    • NVD match criteria ID: 645685F7-B350-4962-B3CC-8BB5DBA23FD9
  • cpe:2.3:a:hp:universal_cmbd_foundation:2018.08:*:*:*:*:*:*:*
    • NVD match criteria ID: 043CB83F-534C-4685-89CD-4D64EBB5E827
  • cpe:2.3:a:hp:universal_cmbd_foundation:2018.11:*:*:*:*:*:*:*
    • NVD match criteria ID: 62B4D5CD-32CD-4C77-B0F5-B141ABC6EF37
  • cpe:2.3:a:hp:universal_cmbd_foundation:2019.02:*:*:*:*:*:*:*
    • NVD match criteria ID: 70541547-BDBC-4208-82AC-B02B4C3A327A
  • cpe:2.3:a:hp:universal_cmbd_foundation:2019.05:*:*:*:*:*:*:*
    • NVD match criteria ID: 6BD0E1AD-BF98-4378-8DCA-F9BDB68906BD
  • cpe:2.3:a:hp:universal_cmbd_foundation:2019.11:*:*:*:*:*:*:*
    • NVD match criteria ID: FBA36063-7673-400A-A24C-7DBC6E63CDDD
  • cpe:2.3:a:hp:universal_cmbd_foundation:2020.05.:*:*:*:*:*:*:*
    • NVD match criteria ID: 699C61B7-FFBB-4CBC-A446-CF5B43E209F0
  • cpe:2.3:a:microfocus:application_performance_management:9.40:*:*:*:*:*:*:*
    • NVD match criteria ID: 3C520D74-D011-4C1E-9429-BA0A38BC0D28
  • cpe:2.3:a:microfocus:application_performance_management:9.50:*:*:*:*:*:*:*
    • NVD match criteria ID: 9E3938F6-E50A-480B-8219-0B210983525E
  • cpe:2.3:a:microfocus:application_performance_management:9.51:*:*:*:*:*:*:*
    • NVD match criteria ID: C419162B-A41C-49D0-9293-5F10B8A911EB
  • cpe:2.3:a:microfocus:data_center_automation:*:*:*:*:*:*:*:*
    • Version end (inclusive): 2019.11
    • NVD match criteria ID: 3CA6ADC1-7E2E-4550-9E1F-762EFAAE26A2
  • cpe:2.3:a:microfocus:hybrid_cloud_management:*:*:*:*:*:*:*:*
    • Version start (inclusive): 2018.05
    • Version end (inclusive): 2020.05
    • NVD match criteria ID: 48D21D35-C6EC-4EFA-94E1-80AD1FA9275A
  • cpe:2.3:a:microfocus:service_manager_automation:2020.02:*:*:*:*:*:*:*
    • NVD match criteria ID: DDEA01BB-0446-40CD-999A-BC2B5F4A4AD6
  • cpe:2.3:a:microfocus:service_manager_automation:2020.05:*:*:*:*:*:*:*
    • NVD match criteria ID: 1D73BD57-90E9-42BE-9BAD-BA7F3FE252FE

Vulnerability Description

Arbitrary code execution vulnerability affecting multiple Micro Focus products. 1.) Operation Bridge Manager affecting version: 2020.05, 2019.11, 2019.05, 2018.11, 2018.05, versions 10.6x and 10.1x and older versions. 2.) Application Performance Management affecting versions : 9.51, 9.50 and 9.40 with uCMDB 10.33 CUP 3 3.) Data Center Automation affected version 2019.11 4.) Operations Bridge (containerized) affecting versions: 2019.11, 2019.08, 2019.05, 2018.11, 2018.08, 2018.05, 2018.02, 2017.11 5.) Universal CMDB affecting version: 2020.05, 2019.11, 2019.05, 2019.02, 2018.11, 2018.08, 2018.05, 11, 10.33, 10.32, 10.31, 10.30 6.) Hybrid Cloud Management affecting version 2020.05 7.) Service Management Automation affecting version 2020.5 and 2020.02. The vulnerability could allow to execute arbitrary code.

  1. Maintain the observed Atomicorp protections. Keep your Atomicorp commercial rules current and confirm that the selected observed rules (398110 ) have not been locally disabled. Atomicorp commercial rules are enabled by default. If you use Atomic WAF, review the applicable policy and rule settings.

  2. Apply the vendor’s remediation. WAF protection is defense in depth and does not replace upgrading or following the affected vendor’s guidance.

    • Affected versions: Micro Focus Operation Bridge Manager version 2020.5.
    • Affected versions: Micro Focus Operation Bridge Manager version 2019.11.
    • Affected versions: Micro Focus Operation Bridge Manager version 2019.05.
    • Affected versions: Micro Focus Operation Bridge Manager version 2018.11.
    • Affected versions: Micro Focus Operation Bridge Manager version 2018.05.
    • Affected versions: Micro Focus Operation Bridge Manager versions through 10.63.
    • Affected versions: Micro Focus Application Performance Management version 9.51.
    • Affected versions: Micro Focus Application Performance Management version 9.50.
    • Affected versions: Micro Focus Application Performance Management version 9.40.
    • Affected versions: Micro Focus Data Center Automation version 2019.11.
    • Affected versions: Micro Focus Operations Bridge (containerized) version 2019.11.
    • Affected versions: Micro Focus Operations Bridge (containerized) version 2019.08.
    • Affected versions: Micro Focus Operations Bridge (containerized) version 2019.05.
    • Affected versions: Micro Focus Operations Bridge (containerized) version 2018.11.
    • Affected versions: Micro Focus Operations Bridge (containerized) version 2018.08.
    • Affected versions: Micro Focus Operations Bridge (containerized) version 2018.05.
    • Affected versions: Micro Focus Operations Bridge (containerized) version 2018.02.
    • Affected versions: Micro Focus Operations Bridge (containerized) version 2017.11.
    • Affected versions: Micro Focus Universal CMDB version 2020.05.
    • Affected versions: Micro Focus Universal CMDB version 2019.11.
    • Affected versions: Micro Focus Universal CMDB version 2019.05.
    • Affected versions: Micro Focus Universal CMDB version 2019.02.
    • Affected versions: Micro Focus Universal CMDB version 2018.11.
    • Affected versions: Micro Focus Universal CMDB version 2018.08.
    • Affected versions: Micro Focus Universal CMDB version 2018.05.
    • Affected versions: Micro Focus Universal CMDB version 11.0.
    • Affected versions: Micro Focus Universal CMDB version 10.33.
    • Affected versions: Micro Focus Universal CMDB version 10.32.
    • Affected versions: Micro Focus Universal CMDB version 10.31.
    • Affected versions: Micro Focus Universal CMDB version 10.30.
    • Affected versions: Micro Focus Hybrid Cloud Management versions through 2020.05.
    • Affected versions: Micro Focus Service Management Automation version 2020.05.
    • Affected versions: Micro Focus Service Management Automation version 2020.02.
    • No specific CNA/vendor solution or workaround is included in the current CVE Record . Review the vendor’s security advisories and supported-release guidance before making changes.

  3. Validate after changes. Confirm rule updates are current, review WAF events for the affected application, and test application behavior after vendor upgrades, mitigations, or local policy changes.

Research Notes

Atomicorp WAF protections are designed around attack techniques and exploit behaviors, allowing existing protections to apply across multiple vulnerabilities without requiring a unique rule for every CVE.

Public Vulnerability References

Test or Research Source

Research Note Context

This research note documents exploit-technique analysis associated with this vulnerability and references Atomicorp WAF protections observed during engineering review, testing, or validation activities.

Atomicorp security controls are generally designed to identify and mitigate attack techniques and exploit behaviors rather than individual CVE identifiers. As a result, protections developed for one vulnerability may also apply to related attack variants and future vulnerabilities using similar techniques.

Learn More

Atomicorp develops commercially supported security technologies for web applications, servers, endpoints, workloads, and legacy enterprise platforms.

Organizations interested in protecting systems against exploit techniques associated with vulnerabilities such as this one can learn more about:

  • Atomic ModSecurity Rules: commercially maintained WAF rules for ModSecurity deployments, including protections for web attacks, bots, scanners, malware, exploitation attempts, and emerging vulnerability classes.
  • Atomic WAF: an enterprise web application firewall with Atomicorp rules, centralized management, reporting, authentication controls, and operational tooling.
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For additional information, product evaluations, or technical discussions, visit https://www.atomicorp.com/ or https://modsecurity.io/ .