CVE-2022-29800

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

7.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 94.2% of scored records. A rank, not a probability.

NVD base score

4.7 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-09-21 18:21Z4 YR AGO

Last updated

2025-05-28 13:53Z1 YR AGO

Reserved

2022-04-25

Assigning CNA

fedora

Record state

PUBLISHED

Severity

Medium (CVSS 4.7)

CNA CVSS vector

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

Weaknesses

• CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase

Data version

5.1

Document digest

aa8daac8e50deb29a52b8352ec355108fd5456d06b8e502c846e65ec96c262ff

• www.microsoft.comhttps://www.microsoft.com/security/blog/2022/04/26/microsoft-finds-new-elevation-of-privilege-linux-vulnerability-nimbuspwn/x_refsource_MISC