Privilege escalation in Exim

CVE-2020-28014

Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges. The -oP option is available to the exim user, and allows a denial of service because root-owned files can be overwritten.

Vulnerability class: Privilege Escalation

EPSS: 0.009 (57.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H.

Affected products

  • Exim
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-28014?
CVE-2020-28014 is a medium-severity vulnerability in Exim, classified under Improper Privilege Management. CVSS score: 6.1/10. Published 2021-05-06.
How severe is CVE-2020-28014?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-28014 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.