CVE-2020-28012 is a high-severity vulnerability affecting Exim mail transfer agent versions prior to 4.94.2. It involves an exposure of a file descriptor to an unintended control sphere due to a missing close-on-exec flag in a privileged pipe, allowing a local attacker to achieve high impact on confidentiality, integrity, and availability. While the vulnerability has a CVSS score of 7.8, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed in the KEV catalog. Despite limited community discussion and media coverage, its critical nature was highlighted by a BleepingComputer article.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.00, < 4.94.2CPE matchmatch criteria | cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 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.