No exploitation reportedFix available

CVE-2022-22351

Q: Is CVE-2022-22351 actively exploited?

Active exploitation of CVE-2022-22351 has not been confirmed. Its EPSS score was 1.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-22351?

CVE-2022-22351 has a CVSS v3 base score of 8.6 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

No exploitation reported by the sources we read.

Published2022-03-07

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

IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged trusted host user to exploit a vulnerability in the nimsh daemon to cause a denial of service in the nimsh daemon on another trusted host. IBM X-Force ID: 220396

Timeline

dates in UTC

2022-03-0717:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 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-2022-22351?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-22351?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Ibm aix

Branch	Affected	Fixed in	Source
7.1	≥ 7.1.5.0, ≤ 7.1.5.37	no fix published	NVD
7.2	≥ 7.2.4.0, ≤ 7.2.4.4	no fix published	NVD
7.2	= 7.2.5.0	no fix published	NVD
7.2	= 7.2.5.1	no fix published	NVD
7.2	= 7.2.5.100	no fix published	NVD
7.3	= 7.3.0	no fix published	NVD
7.3	= 7.3.0.0	no fix published	NVD

Ibm vios

Branch	Affected	Fixed in	Source
3.1	≥ 3.1.3, < 3.1.3.20	3.1.3.20	NVD
3.1	≥ 3.1.2, < 3.1.2.40	3.1.2.40	NVD
3.1	≥ 3.1.1, < 3.1.1.60	3.1.1.60	NVD

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

Fix

Advisories and patches

exchange.xforce.ibmcloud.comVendor Advisory
www.ibm.comPatch · Vendor Advisory

Detection

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

Sources

NVDCVSS 3.18.6read 2026-10-23
CNACVSS 3.06.1read 2026-10-23
NVDCVSS 2.07.8read 2026-10-23
FIRST EPSSEPSS score1.2 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Published: 2022-03-07
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-22351?

Is CVE-2022-22351 actively exploited?

Active exploitation of CVE-2022-22351 has not been confirmed. Its EPSS score was 1.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-22351?

CVE-2022-22351 has a CVSS v3 base score of 8.6 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

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