CVE-2023-6121

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• 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

1.66% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 74.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Low. 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

2023-11-16 14:45Z2 YR AGO

Last updated

2026-05-12 10:32Z3 MO AGO

Reserved

2023-11-14

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 4.3)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

d0d21d6686572f1867dbf7287f655b35ecf07a8477d2961afe63cedbfd52b90c

• access.redhat.comRHSA-2024:2394https://access.redhat.com/errata/RHSA-2024:2394vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2024:2950https://access.redhat.com/errata/RHSA-2024:2950vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2024:3138https://access.redhat.com/errata/RHSA-2024:3138vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-6121vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2250043https://bugzilla.redhat.com/show_bug.cgi?id=2250043issue-trackingx_refsource_REDHAT
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-398330.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-265688.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-613116.html