CVE-2017-7921

criticalknown exploitedpublic exploitcovered by 1 sourcefirst seen 2026-03-05

Actively exploited. CVE-2017-7921 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-03-05) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.

Public exploit code is available. Proof-of-concept or working exploit code for CVE-2017-7921 is indexed in Metasploit, GitHub PoC and Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.

Multiple Hikvision products contain an improper authentication vulnerability that could allow a malicious user to escalate privileges on the system and gain access to sensitive information.

CSIRTS triage

vendor: Hikvision Privilege escalation

What: The vulnerability allows a malicious user to escalate privileges and access sensitive information.
Who is affected: Deployments of multiple Hikvision products are affected by this vulnerability.
Urgency: Remediation is urgent due to active exploitation and critical severity.
Action: Update Hikvision products to the latest versions to mitigate this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.

Exploit availability

Public exploit or proof-of-concept code for CVE-2017-7921 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.

MetasploitA Metasploit Framework module targets this CVE — weaponized, point-and-click exploitation.look it up ↗
GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗

Advisory coverage (1)

criticalexploitedCVE-2017-7921: Hikvision Multiple Products Improper Authentication Vulnerabilitycisa-kev · 2026-03-05

External references

NVD record for CVE-2017-7921

CVE.org record

CISA KEV catalog

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