CVE-2021-33046
CRITICALCVSS 9.8/10EPSS 1.30%
Last modified
CVE-2021-33046 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Some Dahua products have access control vulnerability in the password reset process. Attackers can exploit this vulnerability through specific deployments to reset device passwords.. EPSS estimates a 1.30% chance of exploitation in the next 30 days.
Description
Some Dahua products have access control vulnerability in the password reset process. Attackers can exploit this vulnerability through specific deployments to reset device passwords.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dahuasecurity | Ipc-Hx1xxx Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Ipc-Hx2xxx Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Ipc-Hx3xxx Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Ipc-Hx5\(4\)\(3\)Xxx Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Ipc-Hx5xxx Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Sd1a1 Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Sd22 Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Sd49 Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Sd50 Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Sd52c Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Sd6al Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Tpc-Bf1241 Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Tpc-Bf2221 Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Tpc-Bf5x01 Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Tpc-Pt8x21x Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Tpc-Sd2221 Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Tpc-Sd8x21 Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Nvr1xxx Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Nvr2xxx Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Nvr4xxx Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Nvr5xxx Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Xvr4xxx Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Xvr5xxx Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Xvr7xxx Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Hcvr7xxx Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Hcvr8xxx Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Vtox20xf Firmware | >= 2017-7, <= 2021-7 |
| Dahuasecurity | Asc2204c Firmware | >= 2017-7, <= 2021-7 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33046?
Some Dahua products have access control vulnerability in the password reset process. Attackers can exploit this vulnerability through specific deployments to reset device passwords.
How severe is CVE-2021-33046?
CVE-2021-33046 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.30% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33046?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-33046?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST