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PatchSiren cyber security CVE debrief

CVE-2021-22502 Micro Focus CVE debrief

CVE-2021-22502 is a CISA Known Exploited Vulnerability affecting Micro Focus Operation Bridge Reporter (OBR). The public source identifies it as a remote code execution issue and directs organizations to apply updates per vendor instructions. Because it is in the KEV catalog, defenders should treat this as an active risk and prioritize remediation for any exposed OBR deployments.

Vendor
Micro Focus
Product
Operation Bridge Reporter (OBR)
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2021-11-03
Original CVE updated
2021-11-03
Advisory published
2021-11-03
Advisory updated
2021-11-03

Who should care

Security teams, system administrators, and incident responders responsible for Micro Focus Operation Bridge Reporter (OBR) should prioritize this CVE, especially where the product is internet-facing or widely reachable inside the network.

Technical summary

The supplied official sources identify CVE-2021-22502 as a remote code execution vulnerability in Micro Focus Operation Bridge Reporter (OBR). CISA added it to the Known Exploited Vulnerabilities catalog on 2021-11-03 and set a remediation due date of 2021-11-17. The provided corpus does not include deeper exploit mechanics, so the safest defensive reading is that a known exploited RCE condition exists and should be patched according to vendor guidance.

Defensive priority

Immediate. This is a CISA KEV-listed vulnerability with a remote code execution impact, so patching and exposure review should be handled as a top-priority remediation item.

Recommended defensive actions

  • Apply Micro Focus updates or mitigations per vendor instructions as soon as possible.
  • Inventory all Operation Bridge Reporter (OBR) instances, including test and standby systems.
  • Prioritize internet-facing or broadly accessible OBR deployments for emergency remediation.
  • Verify that the affected version is removed or updated after patching.
  • Monitor for signs of unauthorized access or abnormal execution activity around OBR systems.
  • Track remediation against the CISA KEV due date context provided in the source metadata.

Evidence notes

Evidence in the supplied corpus comes from CISA’s Known Exploited Vulnerabilities catalog entry for CVE-2021-22502, which identifies the product, classifies the issue as remote code execution, and states the required action is to apply updates per vendor instructions. The linked CVE and NVD records are official references, but no additional technical exploit detail was provided in the source corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2021-22502 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2021-22502

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2021-22502 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2021-22502

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.