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PatchSiren cyber security CVE debrief

CVE-2018-0151 Cisco CVE debrief

CVE-2018-0151 is a Cisco IOS and IOS XE Software vulnerability affecting Quality of Service functionality and described as a remote code execution issue. CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-03, indicating it has been observed as exploited in the wild. The defensive takeaway is straightforward: prioritize vendor-recommended updates on affected Cisco network devices.

Vendor
Cisco
Product
IOS and IOS XE Software
CVSS
CRITICAL 9.8
CISA KEV
Listed
Original CVE published
2022-03-03
Original CVE updated
2022-03-03
Advisory published
2022-03-03
Advisory updated
2022-03-03

Who should care

Organizations that operate Cisco IOS or IOS XE devices, especially network teams, security operations teams, and infrastructure owners responsible for internet-facing or broadly reachable equipment.

Technical summary

The supplied sources identify CVE-2018-0151 as a Cisco IOS and IOS XE Software Quality of Service remote code execution vulnerability. The CISA KEV entry confirms it is a known exploited vulnerability and directs defenders to apply updates per vendor instructions. No additional technical detail, affected version range, or exploit mechanics are provided in the supplied corpus.

Defensive priority

High. CISA lists this CVE in the Known Exploited Vulnerabilities catalog, so it should be treated as an active patching priority for any exposed or mission-critical Cisco IOS and IOS XE deployments.

Recommended defensive actions

  • Identify Cisco devices running IOS or IOS XE and confirm whether they are in scope for vendor remediation guidance.
  • Apply Cisco-recommended updates or mitigations as soon as operationally possible.
  • Prioritize internet-facing, remote-accessible, and critical network infrastructure first.
  • Validate that patching or mitigation was completed and monitor for any signs of abnormal device behavior.
  • Use the CVE record, NVD entry, and CISA KEV catalog to track status and remediation references.

Evidence notes

This debrief relies only on the supplied CVE metadata and official references. The key evidence is the CISA KEV record for CVE-2018-0151, which labels it a Cisco IOS and IOS XE Software Quality of Service remote code execution vulnerability and marks it as a known exploited vulnerability. No unsupported details about affected versions, exploit method, or impact scope were added.

Sources and references

Verified primary and authoritative sources

  • CVE-2018-0151 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2018-0151

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

  • CVE-2018-0151 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2018-0151

    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.