Is CVE-2019-10954 actively exploited?

No active exploitation of CVE-2019-10954 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-10954 be exploited remotely?

Yes. CVE-2019-10954 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-10954?

CVE-2019-10954 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2019-10954

CWE-121Published: May 1, 2019· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2019-10954 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Affected Vendors & Products

rockwellautomation10 product(s)

compactlogix 5370 l1 firmwarecompactlogix 5370 l1compactlogix 5370 l2 firmwarecompactlogix 5370 l2compactlogix 5370 l3 firmwarecompactlogix 5370 l3compact guardlogix 5370 firmwarecompact guardlogix 5370armor compact guardlogix 5370 firmwarearmor compact guardlogix 5370

Source: NVD CPE · 10 total CPE entries