CVE-2019-10954

HIGHCVSS 7.5/10EPSS 6.10%

Last modified

CVE-2019-10954 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 6.10% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
6.10%

92.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
RockwellautomationCompactlogix 5370 L1 Firmware>= 20.011, <= 30.014
RockwellautomationCompactlogix 5370 L2 Firmware>= 20.011, <= 30.014
RockwellautomationCompactlogix 5370 L3 Firmware>= 20.011, <= 30.014
RockwellautomationCompact Guardlogix 5370 Firmware>= 20.011, <= 30.014
RockwellautomationArmor Compact Guardlogix 5370 Firmware>= 20.011, <= 30.014

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-10954?
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.
How severe is CVE-2019-10954?
CVE-2019-10954 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 6.10% probability of exploitation in the next 30 days.
How do I fix CVE-2019-10954?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-10954?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST