CVE-2020-28007
HIGH7.8EPSS 0.08%exim4 - security update
Published: 5/6/2021Modified: 4/28/2026
Also known as:DEBIAN-CVE-2020-28007
Description
Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges. Because Exim operates as root in the log directory (owned by a non-root user), a symlink or hard link attack allows overwriting critical root-owned files anywhere on the filesystem.
Affected packages (3)
- Debian/exim4from 0, < 4.94.2-1
- Debian/exim4from 0, < 4.89-2+deb9u8
- Debian/exim4from 0, < 4.92-8+deb10u6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |