No exploitation reported

CVE-2022-3157

No exploitation reported by the sources we read.

Published2022-12-16
WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability exists in the Rockwell Automation controllers that allows a malformed CIP request to cause a major non-recoverable fault (MNRF) and a denial-of-service condition (DOS).

Timeline

dates in UTC

2022-12-1621:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-3157?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-3157?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Rockwellautomation compact guardlogix 5370 firmwareversion to verify

Branch	Affected	Fixed in	Source
33.x	≥ 28, ≤ 33	no fix published	NVD

Rockwellautomation compact guardlogix 5380 firmwareversion to verify

Branch	Affected	Fixed in	Source
33.x	≥ 28, ≤ 33	no fix published	NVD

Rockwellautomation compactlogix 5370 firmwareversion to verify

Branch	Affected	Fixed in	Source
33.x	≥ 20, ≤ 33	no fix published	NVD

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-22-354-02 CISA5 known affected
Rockwell Automation GuardLogix and ControlLogix controllers
GuardLogix, ControlLogix, Compact Logix, and Compact GaurdLogix controllers: CompactLogix 5370 Versions 2033 · GuardLogix, ControlLogix, Compact Logix, and Compact GaurdLogix controllers: Compact GuardLogix 5370 Versions 2833 · GuardLogix, ControlLogix, Compact Logix, and Compact GaurdLogix controllers: ControlLogix 5570 Versions 2033 · +2 more

Full record on NVD

Fix

Mitigation from the vendor CISA ICSA-22-354-02 · 5 productsFor CompactLogix 5370, Compact GuardLogix 5370, ControlLogix 5570, GuardLogix 5570: Users should upgrade to versions 33.013, 34.011, or later.
Mitigation from the vendor CISA ICSA-22-354-02 · 5 productsFor ControlLogix 5570 redundancy: Users should upgrade to versions 33.052, 34.051, or later.
Mitigation from the vendor CISA ICSA-22-354-02 · 5 productsRockwell Automation encourages users to apply mitigations on their security best practices web page to reduce risk.
Mitigation from the vendor CISA ICSA-22-354-02 · 5 productsUsers should see the Rockwell Automation security advisory for more information.

Advisories and patches

rockwellautomation.custhelp.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-04-16
OpenCVESSVC decisionnone—
CNACVSS 3.18.6read 2026-10-23
NVDCVSS 3.17.5read 2026-10-23
CNAweakness (CWE)CWE-20read 2026-10-23
FIRST EPSSEPSS score1.5 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2022-12-16
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-3157?

A vulnerability exists in the Rockwell Automation controllers that allows a malformed CIP request to cause a major non-recoverable fault (MNRF) and a denial-of-service condition (DOS).

Is CVE-2022-3157 actively exploited?

Active exploitation of CVE-2022-3157 has not been confirmed. Its EPSS score was 1.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-3157?

CVE-2022-3157 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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