CVE-2018-20253 is an out-of-bounds write vulnerability in WinRAR versions up to and including 5.60, occurring during the parsing of crafted LHA/LZH archive formats. This high-severity flaw (CVSS 7.8) can lead to arbitrary code execution with user interaction, requiring a local attack vector. While no active exploitation or public exploit code (Metasploit, ExploitDB) has been identified, it has received some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.60CPE matchmatch criteria | cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 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.