CVE-2020-28014 describes an unnecessary privilege execution vulnerability in Exim versions prior to 4.94.2. A local attacker, as the exim user, can leverage the -oP option to overwrite root-owned files, leading to a denial of service. This vulnerability has a CVSS score of 6.1 (Medium), indicating a low attack complexity and local access requirement, but a high impact on availability. While there are no known public exploits in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion and media coverage, including a critical article from BleepingComputer, suggesting awareness within the cybersecurity community.
| 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:N/I:L/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.