Dahuasecurity SD6AL Firmware vulnerabilities

6 CVEs affecting Dahuasecurity SD6AL Firmware, 1 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-33046, published 2022-01-13.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2021-33044: Dahua IP Camera Authentication Bypass Vulnerability, published 2021-09-15. Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2024-08-21. EPSS: 100% chance of exploitation in the next 30 days. 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.
• CVE-2020-9502, published 2020-05-13. Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days. Some Dahua products with Build time before December 2019 have Session ID predictable vulnerabilities. During normal user access, an attacker can use the predicted Session ID to construct a data…
• CVE-2020-9499, published 2020-04-09. High severity, CVSS 7.2. EPSS: 1.5% chance of exploitation in the next 30 days. Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down.
• CVE-2021-33046, published 2022-01-13. Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days. Some Dahua products have access control vulnerability in the password reset process. Attackers can exploit this vulnerability through specific deployments to reset device passwords.
• CVE-2020-9500, published 2020-04-09. Medium severity, CVSS 4.9. EPSS: 1% chance of exploitation in the next 30 days. Some products of Dahua have Denial of Service vulnerabilities. After the successful login of the legal account, the attacker sends a specific log query command, which may cause the device to go down.
• CVE-2019-9682, published 2020-05-13. High severity, CVSS 8.1. EPSS: 0.9% chance of exploitation in the next 30 days. Dahua devices with Build time before December 2019 use strong security login mode by default, but in order to be compatible with the normal login of early devices, some devices retain the weak…