CVE-2023-4236

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 80.7% 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

Important. 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

2023-09-20 12:32Z2 YR AGO

Last updated

2025-02-13 17:09Z1 YR AGO

Reserved

2023-08-08

Assigning CNA

isc

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-617Reachable AssertionBase

Data version

5.1

Document digest

de7416c02c2c4979491f115d2724918e59384ff044751bc7d7cd547b0bb9a137

• kb.isc.orgCVE-2023-4236https://kb.isc.org/docs/cve-2023-4236vendor-advisory
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2023/09/20/2
• www.debian.orghttps://www.debian.org/security/2023/dsa-5504
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IPJLLTJCSDJJII7IIZPLTBQNWP7MZH7F/
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U35OARLQCPMVCBBPHWBXY5M6XJLD2TZ5/
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20231013-0004/
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VSK5V4W4OHPM3JTJGWAQD6CZW7SFD75B/