CVE-2020-8793 is a local information disclosure vulnerability affecting OpenSMTPD versions prior to 6.6.4, specifically impacting Canonical and Fedora distributions. It allows local users to read arbitrary files due to an untrusted search path and race conditions within the offline functionality. Rated Medium severity (CVSS 4.7), this vulnerability requires local access and high attack complexity, but can lead to significant confidentiality impact. While not listed in CISA's KEV catalog, a public exploit (EDB-48139) exists, and it has garnered community discussion and media coverage, indicating awareness of its potential.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 6.6.4CPE matchmatch criteria | cpe:2.3:a:opensmtpd:opensmtpd:*:*:*:*:*:*:*:* | ||
32CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | ||
18.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | ||
19.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.