RCE in Exim
CVE-2019-10149
A flaw was found in Exim versions 4.87 to 4.91 (inclusive). Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 1.000 (100.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Exim — versions 4.92
- Canonical Ubuntu_linux — versions 18.04, 18.10
- Debian Debian_linux — versions 9.0
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (mailing-list, Patch, Mailing List, Third Party Advisory)
- secalert@redhat.com (mailing-list, Exploit, Mailing List)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (mailing-list, Exploit, Mailing List, Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-10149?
- CVE-2019-10149 is a critical-severity vulnerability in Exim, classified under OS Command Injection. CVSS score: 9.8/10. Published 2019-06-05.
- How severe is CVE-2019-10149?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-10149 known to be exploited?
- Yes. CVE-2019-10149 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-01-10), indicating it is being actively exploited. 43 public proof-of-concept repositories are indexed.