All vulnerabilities

Servers and applications

CVE-2010-4345

Exim 4.72 and earlier allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands, as demonstrated by the spool_directory directive.

Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 25 Mar 2022.

Severity
High 7.8
Published
14 Dec 2010
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
18% in the next 30 daysHigher than 97% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Command injection (CWE-77)
Attack
Needs local access · Needs a user account · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
EximServers and applications · cpe:a:exim:exim
  • Every version up to 4.72

Known exploited

CISA name
Exim Privilege Escalation Vulnerability
Required action
Apply updates per vendor instructions.
Due for US agencies
15 Apr 2022
Used in ransomware
Not known

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2010-4345
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2010-4345