Vulnerability in Exim

CVE-2020-28015

Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. Local users can alter the behavior of root processes because a recipient address can have a newline character.

EPSS: 0.004 (30.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Exim
  • N/a — versions n/a

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-28015?
CVE-2020-28015 is a high-severity vulnerability in Exim. CVSS score: 7.8/10. Published 2021-05-06.
How severe is CVE-2020-28015?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-28015 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.