CVE-2022-21126

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

0.70% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 50.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2022-11-29 16:50Z3 YR AGO

Last updated

2025-04-24 18:34Z1 YR AGO

Reserved

2022-02-24

Assigning CNA

snyk

Record state

PUBLISHED

Severity

High (CVSS 7.3)

CNA CVSS vector

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

Weaknesses

• CWE-668Exposure of Resource to Wrong SphereClass

Data version

5.1

Document digest

4f6941599b4a8aaf12034cd0224435ba2d568d004e7b8f920944c510f160c6d4

• security.snyk.iohttps://security.snyk.io/vuln/SNYK-JAVA-COMGITHUBSAMTOOLS-3149901
• github.comhttps://github.com/samtools/htsjdk/commit/4a4024a97ee3e87096df6ad9b22c8260bd527772
• github.comhttps://github.com/samtools/htsjdk/pull/1617