CVE-2024-21337: Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Overview

Severity
Medium (CVSS 5.2)
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C
Category
Elevation of Privilege
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2024-Jan
Released
2024-01-11
Last Updated
2024-01-18
EPSS Score
0.89% (percentile: 75.6%)

FAQ

According to the CVSS metric, the attack vector is local (AV:L) and user interaction is required (UI:R), what does that mean for this vulnerability? The attack itself is carried out locally. For example, when the score indicates that the Attack Vector is Local and User Interaction is Required, this could describe an exploit in which an attacker, through social engineering, convinces a victim to click on a local file path link or download and run a malicious application or file. What is the version information for this release? Microsoft Edge Channel Microsoft Edge Version Based on Chromium Version Date Released Stable 120.0.2210.133 120.0.6099.216/217 1/11/2024 According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to take additional actions prior to exploitation to prepare the target environment. According to the CVSS metrics, successful exploitation of this vulnerability could lead to minor loss of confidentiality (C:L), integrity (I:L) and availability (A:L). What does that mean for this vulnerability? While we cannot rule out the impact to Confidentiality, Integrity, and Availability, the ability to exploit this vulnerability by itself is limited. An attacker would need to combine this with other vulnerabilities to perform an attack. According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability? This vulnerability could lead to a browser sandbox escape.

Affected Products (2)

Browser

  • Microsoft Edge (Chromium-based)
  • Microsoft Edge (Chromium-based) Extended Stable

Acknowledgments

<a href="https://twitter.com/jq0904">Quan Jin</a> with <a href="https://www.dbappsecurity.com.cn/product/cloud250.html">DBAPPSecurity WeBin Lab</a>

Revision History

  • 2024-01-11: Information published.
  • 2024-01-18: Updated FAQ information. This is an informational change only.