CVE-2023-51384

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

0.43% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 35.4% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-07-14.

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

2023-12-18 00:00Z2 YR AGO

Last updated

2026-07-14 12:24Z1 MO AGO

Reserved

2023-12-18

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

• CWE-284Improper Access ControlPillar
• CWE-304Missing Critical Step in AuthenticationBase

Data version

5.2

Document digest

b91d0d735e54c2494794638e7f47a9bc4b18a1fd60aa44dd5a809d93482137f6

• www.openssh.comhttps://www.openssh.com/txt/release-9.6
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2023/12/18/2
• github.comhttps://github.com/openssh/openssh-portable/commit/881d9c6af9da4257c69c327c4e2f1508b2fa754b
• www.debian.orgDSA-5586https://www.debian.org/security/2023/dsa-5586vendor-advisory
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20240105-0005/
• support.apple.comhttps://support.apple.com/kb/HT214084
• seclists.org20240313 APPLE-SA-03-07-2024-2 macOS Sonoma 14.4http://seclists.org/fulldisclosure/2024/Mar/21mailing-list
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-794697.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-769027.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-082556.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html