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PatchSiren cyber security CVE debrief

CVE-2021-36260 Hikvision CVE debrief

CVE-2021-36260 is a Hikvision security camera web server vulnerability described as improper input validation. CISA lists it in the Known Exploited Vulnerabilities catalog, which means defenders should treat it as an active-risk issue and prioritize remediation using vendor guidance.

Vendor
Hikvision
Product
Security cameras web server
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-01-10
Original CVE updated
2022-01-10
Advisory published
2022-01-10
Advisory updated
2022-01-10

Who should care

Organizations that operate Hikvision security cameras or manage them through security, facilities, IT, or OT teams should care most. This includes environments where cameras are internet-facing, remotely managed, or integrated into physical security systems.

Technical summary

The available source material identifies the issue as improper input validation in Hikvision's security cameras web server. CISA has added the CVE to its Known Exploited Vulnerabilities catalog, indicating known exploitation risk. No further technical details are provided in the supplied corpus, so defenders should rely on vendor remediation instructions and verify exposure across deployed Hikvision devices.

Defensive priority

High. CISA KEV inclusion is a strong signal to accelerate patching and exposure review, especially for any reachable or externally managed Hikvision camera deployments.

Recommended defensive actions

  • Apply updates per vendor instructions as soon as possible.
  • Inventory all Hikvision security camera deployments and confirm whether CVE-2021-36260 is present.
  • Prioritize devices that are internet-facing or accessible from broader internal networks.
  • Restrict network access to camera management interfaces to only approved admin hosts.
  • Monitor vendor and CISA guidance for any additional remediation steps or compensating controls.

Evidence notes

The debrief is based only on the supplied CVE metadata, the CISA KEV source item, and the official CVE/NVD resource links. The source corpus identifies the product as Hikvision security cameras web server, the issue as improper input validation, and the vulnerability as listed in CISA KEV with dateAdded 2022-01-10 and dueDate 2022-01-24. No additional technical exploitation details were assumed.

Official resources

CVE published and modified on 2022-01-10 in the supplied timeline. CISA KEV also lists the vulnerability with dateAdded 2022-01-10 and dueDate 2022-01-24. Do not infer any other timing from generation or publication of this debrief.