CVE entry · CVE-2017-7921
CVE-2017-7921: Hikvision Multiple Products Improper Authentication Vulnerability
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.
- Actively exploited: added to CISA’s KEV catalog on March 5, 2026.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: March 26, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes affected Hikvision products, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.
References
- Vendor advisory or reference cited by CISA (www.hikvision.com)
- NVD entry (NIST)
- CISA KEV catalog