CVE-2023-4586

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

0.55% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 44.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2023-10-04 10:46Z2 YR AGO

Last updated

2025-11-20 17:55Z9 MO AGO

Reserved

2023-08-29

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 7.4)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-295Improper Certificate ValidationBase

Data version

5.2

Document digest

a6abe81fe3679ceb9ec1fbf1a482038484590f2875d79df22fa4548c67c5bda8

• access.redhat.comRHSA-2023:7676https://access.redhat.com/errata/RHSA-2023:7676vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-4586vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2235564https://bugzilla.redhat.com/show_bug.cgi?id=2235564issue-trackingx_refsource_REDHAT