CVE-2019-10149

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 1.000 · 100 %ileexploit · weaponizedEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 23 exploits · weaponized

Likely / severe?

100.0% (100th) EPSS

CVSS 10 · high

Is it mine?

12 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-01-10remediate by 2022-07-10

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Exim Mail Transfer Agent (MTA) Improper Input Validation

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.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.09criticalCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.09criticalCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · secalert@redhat.com USexploitability 2.2 · impact 6

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-78USprimaryCWE-20US

exploits (23)

Public proof-of-concept and weaponised exploit code.

exploit/linux/local/exim4_deliver_message_priv_escExim 4.87 - 4.91 Local Privilege Escalationweaponized · metasploit
EDB-46996Exim 4.87 - 4.91 - Local Privilege Escalationfunctional · exploit_db
EDB-47307Exim 4.87 / 4.91 - Local Privilege Escalation (Metasploit)functional · exploit_db
EDB-46974Exim 4.87 < 4.91 - (Local / Remote) Command ExecutionPoC · exploit_db
Ambrella-Security/CVE-2019-10149Vulnerability Research and Exploit for CVE-2019-10149PoC · poc_in_github
AzizMea/CVE-2019-10149-privilege-escalationCVE-2019-10149 privilege escalationPoC · poc_in_github

affected products (12)

Products and version ranges known to be affected.

exim exim≤ 4.92enisa_euvdEU
Canonical Ltd. Ubuntu≤ 18.10fstec_bduRU
Canonical Ltd. Ubuntu≤ 18.04 LTSfstec_bduRU
GNU General Public License exim4.87 → 4.91fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.1 МУРОМfstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.6 «Смоленск»fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition для «Эльбрус»≤ 8.1 «Ленинград»fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 4.89-2+deb9u4fstec_bduRU
canonical ubuntu linux= 18.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 18.10nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
debian debian linux= 9.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
exim exim4.87 → 4.91nvdUScpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2019-06-05modified 2026-06-17

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references (73)

External citations — patches, advisories, analysis.

scry

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