[ CVE-2021-33044 · Published 15 Sep 2021 ]
Dahua IP Camera Authentication Bypass Vulnerability
Exploited · CISA KEV CVSS 9.8
EPSS 100%No fix listed yet
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2024-08-21
- EPSS: 100% chance of exploitation in the next 30 days (higher than 100% of CVEs)
- Critical severity: CVSS 9.8
[ Description ]Official description
The identity authentication bypass vulnerability found in some Dahua products during the login process. Attackers can bypass device identity authentication by constructing malicious data packets.
CISA: Dahua IP cameras and related products contain an authentication bypass vulnerability when the NetKeyboard type argument is specified by the client during authentication.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 11 Sep 2024): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.htmlExploitThird Party AdvisoryVDB Entry
- seclists.org/fulldisclosure/2021/Oct/13ExploitMailing ListThird Party Advisory
- www.dahuasecurity.com/support/cybersecurity/details/957Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource