Micro Focus Operations Bridge Manager <=2020.05 - Remote Code Execution

highseverity

8.8CVSS score

77%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

Readycheck to confirm it

Micro Focus Operations Bridge Manager in versions 2020.05 and below is vulnerable to remote code execution via UCMDB. The vulnerability allows remote attackers to execute arbitrary code on affected installations of Data Center Automation. An attack requires network access and authentication as a valid application user. Originated from Metasploit module (#14654).

Impact

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system.

Fix

Apply the latest security patch or upgrade to a non-vulnerable version of Micro Focus Operations Bridge Manager.

How to confirm it

Send: GET {{BaseURL}}/ucmdb-api/connect
Positive when: contains "HttpUcmdbServiceProviderFactoryImpl" and "ServerVersion=11.6.0" AND status 200

Run it with nuclei: nuclei -id CVE-2020-11853 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2020-11853

info:
  name: Micro Focus Operations Bridge Manager <=2020.05 - Remote Code Execution
  author: dwisiswant0
  severity: high
  description: |
    Micro Focus Operations Bridge Manager in versions 2020.05 and below is vulnerable to remote code execution via UCMDB. The vulnerability allows remote attackers to execute arbitrary code on affected installations of Data Center Automation. An attack requires network access and authentication as a valid application user. Originated from Metasploit module (#14654).
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system.
  remediation: |
    Apply the latest security patch or upgrade to a non-vulnerable version of Micro Focus Operations Bridge Manager.
  reference:
    - http://packetstormsecurity.com/files/161366/Micro-Focus-Operations-Bridge-Manager-Remote-Code-Execution.html
    - https://softwaresupport.softwaregrp.com/doc/KM03747658
    - https://softwaresupport.softwaregrp.com/doc/KM03747949
    - https://softwaresupport.softwaregrp.com/doc/KM03747948
    - https://nvd.nist.gov/vuln/detail/CVE-2020-11853
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2020-11853
    epss-score: 0.7699
    epss-percentile: 0.99553
    cpe: cpe:2.3:a:microfocus:operation_bridge_manager:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: microfocus
    product: operation_bridge_manager
  tags: cve,cve2020,opm,rce,packetstorm,microfocus,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/ucmdb-api/connect"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "HttpUcmdbServiceProviderFactoryImpl"
          - "ServerVersion=11.6.0"
        condition: and

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from