Is CVE-2021-33045 actively exploited?

Yes. CVE-2021-33045 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-33045 be exploited remotely?

The attack vector of CVE-2021-33045 has not been classified yet.

What is the CVSS score of CVE-2021-33045?

CVE-2021-33045 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-33045

HIGHCISA KEVIN THE WILD

CVE-2021-33045

Published: August 21, 2024

EPSS:94.17%probability of exploitation in 30 daysPercentile:99.9th

Official Description

Dahua IP cameras and related products contain an authentication bypass vulnerability when the loopback device is specified by the client during authentication.

NVD Source

CISA KEV Advisory

Dahua IP Camera Authentication Bypass Vulnerability

Dahua IP cameras and related products contain an authentication bypass vulnerability when the loopback device is specified by the client during authentication.

Added to KEV: 2024-08-21Federal patch deadline: 2024-09-11

Required Action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Risk Analysis

Dahua IP cameras and related products have an authentication bypass vulnerability when the loopback device is specified during client authentication. The high EPSS score of 0.94171 indicates a very high likelihood of exploitation, making this a critical vulnerability. CISA has confirmed this vulnerability is actively exploited.

This vulnerability is actively exploited in the wild and is included in CISA's KEV catalog. The authentication bypass allows unauthorized access to affected devices.

Recommended Action

Update Dahua IP cameras and related products to the latest firmware versions. Ensure network segmentation to limit direct exposure of IP cameras to the internet.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-33045 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2021-33045 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.