critical9.8Known exploited
CVE-2021-33044
Dahua IP Camera Authentication Bypass Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2024-08-21. Federal due date: 2024-09-11.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Dahuasecurity | Ipc-Hum7xxx Firmware | before 2.820.0000000.5.r.210705 |
| Dahuasecurity | Ipc-Hx3xxx Firmware | before 2.800.0000000.29.r.210630 |
| Dahuasecurity | Ipc-Hx5xxx Firmware | before 2.820.0000000.18.r.210705 |
| Dahuasecurity | Sd1a1 Firmware | before 2.812.0000007.0.r.210706 |
| Dahuasecurity | Sd22 Firmware | before 2.812.0000007.0.r.210706 |
| Dahuasecurity | Sd49 Firmware | before 2.812.0000007.0.r.210706 |
| Dahuasecurity | Sd50 Firmware | before 2.812.0000007.0.r.210706 |
| Dahuasecurity | Sd52c Firmware | before 2.812.0000007.0.r.210706 |
| Dahuasecurity | Sd6al Firmware | before 2.812.0000007.0.r.210706 |
| Dahuasecurity | Tpc-Bf1241 Firmware | before 2.630.0000000.6.r.210707 |
| Dahuasecurity | Tpc-Bf2221 Firmware | before 2.630.0000000.10.r.210707 |
| Dahuasecurity | Tpc-Bf5x01 Firmware | before 2.630.0000000.12.r.210707 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html
- http://seclists.org/fulldisclosure/2021/Oct/13
- https://www.dahuasecurity.com/support/cybersecurity/details/957
- http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html
- http://seclists.org/fulldisclosure/2021/Oct/13
- https://www.dahuasecurity.com/support/cybersecurity/details/957
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33044