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ExploitedIn CISA KEVFix available

CVE-2019-10149

Exploitation confirmed. First attested on 2022-01-10 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2019-06-05
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2019-06-05Exploit-DB entryExploit-DB
  2. 2019-06-0514:29CVE publishedNVD
  3. 2022-01-10Added to the CISA KEV catalogCISA KEV
  4. 2022-01-10Listed as exploited by GCVEGCVE
  5. 2022-01-10Exploitation first reportedCISA KEV
  6. 2025-02-0713:31SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-10149?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-10149?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Exim
BranchAffectedFixed in
4.x≥ 4.87, ≤ 4.91no fix published
Canonical ubuntu linux
BranchAffectedFixed in
18.4= 18.04no fix published
18.10= 18.10no fix published
Debian debian linux
BranchAffectedFixed in
9.0= 9.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As redhat, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • exim
    Affected
    • = 4.92no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-10-07

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • eximSUSE:Package Hub 15 SP1all versions · fixed in 4.94.2-bp151.2.4.1
  • eximopenSUSE:Tumbleweedall versions · fixed in 4.94.2-4.2
  • eximopenSUSE:Leap 15.1all versions · fixed in 4.88-lp151.4.3.1
  • eximopenSUSE:Leap 15.0all versions · fixed in 4.88-lp151.4.3.1
  • eximCleanStartall versions · fixed in 4.92-r0
  • eximAlpine:v3.24from 4.87 · fixed in 4.92-r0
  • eximAlpine:v3.23from 4.87 · fixed in 4.92-r0
  • eximAlpine:v3.22from 4.87 · fixed in 4.92-r0

20 more package ranges on OSV.dev

Vendor advisories

  • CVE-2019-10149 Red Hat Product Security

    exim: Remote command execution in deliver_message() function in /src/deliver.c

Full record on NVD

Fix

  1. CISA’s required action: Apply updates per vendor instructions.due 2022-07-10

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-46974EDB-46996EDB-47307
Exploit-DB
Proof-of-concept repositories
19 repositories, unverifiedbananaphones/exim-rce-quickfixcowbe0x004/eximrce-CVE-2019-10149MNEMO-CERT/PoC--CVE-2019-10149_Eximaishee/CVE-2019-10149-quickAzizMea/CVE-2019-10149-privilege-escalation
PoC-in-GitHub
Metasploit modules
1 moduleexploit/linux/local/exim4_deliver_message_priv_escrank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2022-01-10
Patch Due Date
2022-07-10
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2019-06-05
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-5r7w-xvrp-rg22

Frequently asked questions

What is 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.

Is CVE-2019-10149 actively exploited?

Yes. CVE-2019-10149 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-07-10.

What is the CVSS score for CVE-2019-10149?

CVE-2019-10149 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record