All vulnerabilities
CVE-2019-10149

Exim Mail Transfer Agent (MTA) Improper Input Validation

Exim Mail Transfer Agent (MTA)Network & edge
Open in ThreatlineRecord JSON
CVSS
9.0Critical
ExploitationExploited in the wildAdded to KEV 10 Jan 2022CISA KEV
Exploit odds (EPSS)>99.9%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline10 Jul 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 5 Jun 2019, 00:00 UTCPublishedCVE List
  2. 5 Jun 2019Exploit code publicMetasploit
  3. 10 Jan 2022Added to CISA KEVCISA KEV

Public exploit code and templates 5

  • Exploit moduleExim 4.87 - 4.91 Local Privilege Escalation 5 Jun 2019Metasploit
  • Local exploitExim 4.87 - 4.91 - Local Privilege Escalation 17 Jun 2019Exploit-DB
  • Local exploitExim 4.87 / 4.91 - Local Privilege Escalation (Metasploit) 26 Aug 2019Exploit-DB
  • Local exploitExim 4.87 / 4.91 - Local Privilege Escalation (Metasploit) 26 Aug 2019Exploit-DB
  • Remote exploitExim 4.87 < 4.91 - (Local / Remote) Command Execution 5 Jun 2019Exploit-DB

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.

Text from CVE List

Affected versions 1

  • eximaffected: 4.92CVE List

References 8