SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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…

HIGH 7.5EPSS 6.10%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
6.10% probability · 93th percentile
CISA KEV
Not listed
Weakness
CWE-121, CWE-787
Affected
rockwellautomation/compactlogix 5370 l1 firmware · rockwellautomation/compactlogix 5370 l2 firmware · rockwellautomation/compactlogix 5370 l3 firmware · rockwellautomation/compact guardlogix 5370 firmware · rockwellautomation/armor compact guardlogix 5370 firmware
Source
ics-cert@hq.dhs.gov

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.