CVE-2018-20356 is a critical use-after-free vulnerability in the Cesanta Mongoose Embedded Web Server Library, affecting versions 6.13 and earlier. This flaw allows an unauthenticated attacker to trigger a denial of service or potentially achieve remote code execution due to an invalid 8-byte read during CGI processing. With a CVSS score of 9.8, it represents a severe risk, though its EPSS score and lack of exploit intelligence suggest low current exploitation. There is no public exploit code available and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 6.13CPE matchmatch criteria | cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
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.