CVE-2019-10954

highpriority · track · 32EPSS 0.061 · 93 %ileEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
6.10% (93rd) EPSS
CVSS 7.8 · high
Is it mine?
20 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-26

An attacker could send crafted SMTP packets to cause a denial-of-service condition where the controller enters a major non-recoverable faulted state (MNRF) in CompactLogix 5370 L1, L2, and L3 Controllers, Compact GuardLogix 5370 controllers, and Armor Compact GuardLogix 5370 Controllers Versions 20 - 30 and earlier.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

  • MitigationArmor Compact GuardLogix 5370 controllerscisa_csaf_ot

    Consult the product documentation for specific features, such as a hardware key-switch setting, which may be used to block unauthorized changes, etc.

  • MitigationCompact GuardLogix 5370 controllerscisa_csaf_ot

    Consult the product documentation for specific features, such as a hardware key-switch setting, which may be used to block unauthorized changes, etc.

  • MitigationCompactLogix 5370 L1 controllerscisa_csaf_ot

    Consult the product documentation for specific features, such as a hardware key-switch setting, which may be used to block unauthorized changes, etc.

  • MitigationCompactLogix 5370 L2 controllerscisa_csaf_ot

    Consult the product documentation for specific features, such as a hardware key-switch setting, which may be used to block unauthorized changes, etc.

  • MitigationCompactLogix 5370 L3 controllerscisa_csaf_ot

    Consult the product documentation for specific features, such as a hardware key-switch setting, which may be used to block unauthorized changes, etc.

02

cvss

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

8.6
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–8.6

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6
v3.08.6highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Hsecondary · CISA US
v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

affected products (20)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-19-120-01ICSA-19-120-01_Rockwell Automation CompactLogix 53702019-04-30icsa · cisa_csaf_otUS

    Younes Dragoni of Nozomi Networks reported CVE-2019-10952 to NCCIC. George Lashenko of CyberX reported CVE-2019-10954 to NCCIC.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

published 2019-05-01modified 2026-06-17
08

references (15)

External citations — patches, advisories, analysis.

scry

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