2021-34521 | Microsoft Windows Raw Image Extension Remote Code Execution
|CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
|Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
|CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
A vulnerability was found in Microsoft Windows 10 20H2/10 21H1/10 1909/10 2004/Server 20H2 (Operating System) and classified as critical. Affected by this issue is an unknown code block of the component Raw Image Extension. Impacted is confidentiality, integrity, and availability. CVE summarizes:
Raw Image Extension Remote Code Execution Vulnerability
The weakness was published 07/13/2021 as confirmed security guidance (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability is handled as CVE-2021-34521 since 06/09/2021. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/17/2021).
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.1
Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔒
06/09/2021 CVE assigned
07/13/2021 +34 days Advisory disclosed
07/13/2021 +0 days Countermeasure disclosed
07/14/2021 +0 days VulDB entry created
07/17/2021 +3 days VulDB last updateVendor: https://www.microsoft.com/
Download it now for free!