CVE-2021-3100 describes a privilege escalation vulnerability in the Apache Log4j hotpatch package, specifically versions prior to log4j-cve-2021-44228-hotpatch-1.1-13, affecting Amazon Linux and other Linux distributions using this hotpatch. The flaw allowed the hotpatch to operate with elevated permissions beyond those of the JVM it was intended to secure. With a CVSS score of 8.8 (HIGH), this vulnerability presents a significant risk due to its low attack complexity and the potential for complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation in the wild, nor publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered notable community discussion and media coverage, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.1-13CPE matchmatch criteria | cpe:2.3:a:amazon:log4jhotpatch:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.