VULNERABILITY INTELLIGENCE

CVE-2020-28021

CVSS score8.8 HIGH
EPSS probability4.14%
CISA KEVNot currently listed
Published2021-05-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool file (which indirectly leads to remote code execution as root) via AUTH= in a MAIL FROM command.

Weakness classification

  • nvd@nist.gov: NVD-CWE-Other

Primary references