CVE-2018-20252 is an out-of-bounds write vulnerability affecting WinRAR versions up to and including 5.60, occurring during the parsing of specially crafted ACE and RAR archive formats. This flaw carries a high CVSS score of 7.8, indicating that a successful attack, requiring user interaction (e.g., opening a malicious archive), could lead to arbitrary code execution with the privileges of the current user, resulting in high impact to confidentiality, integrity, and availability. While no public exploit code is readily available (Metasploit, Nuclei, ExploitDB), and it's not listed in CISA's KEV catalog, the vulnerability has garnered some community discussion and media coverage, suggesting awareness within the security community.
| 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.