VULNERABILITY INTELLIGENCE

CVE-2020-28013

CVSS score7.8 HIGH
EPSS probability0.39%
CISA KEVNot currently listed
Published2021-05-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

Exim 4 before 4.94.2 allows Heap-based Buffer Overflow because it mishandles "-F '.('" on the command line, and thus may allow privilege escalation from any user to root. This occurs because of the interpretation of negative sizes in strncpy.

Weakness classification

  • nvd@nist.gov: CWE-787

Primary references