CVE-2022-4843

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

0.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 53.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2022-12-29 00:00Z3 YR AGO

Last updated

2025-04-09 15:47Z1 YR AGO

Reserved

2022-12-29

Assigning CNA

@huntrdev

Record state

PUBLISHED

Severity

Medium (CVSS 4.4)

CNA CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

d3a617b2f508da7cbfd5b39ce352fe2f4c62580b3f4b390553e0032df48df0a0

• huntr.devhttps://huntr.dev/bounties/075b2760-66a0-4d38-b3b5-e9934956ab7f
• github.comhttps://github.com/radareorg/radare2/commit/842f809d4ec6a12af2906f948657281c9ebc8a24
• lists.fedoraproject.orgFEDORA-2023-ded3d48ebchttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FOXRDPI3OYYKO4PKXE3XD2IFONL6BCHR/vendor-advisory
• lists.fedoraproject.orgFEDORA-2023-5d5aa8b27ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OFCCTYAD7ASNQ23ABCUPAZHEDEIOCW6T/vendor-advisory