CVE-2023-5568

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

2.08% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 81.2% of scored records. A rank, not a probability.

NVD base score

6.5 (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:N/I:N/A:H

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

2023-10-24 21:56Z3 YR AGO

Last updated

2025-09-02 15:43Z1 YR AGO

Reserved

2023-10-13

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 5.9)

CNA CVSS vector

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

Weaknesses

• CWE-122Heap-based Buffer OverflowVariant
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

5cfacd41fa26981d745a6992578b6a3c2f50d542755cfcc394a38b5117b045c5

• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-5568vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2245174https://bugzilla.redhat.com/show_bug.cgi?id=2245174issue-trackingx_refsource_REDHAT
• bugzilla.samba.orghttps://bugzilla.samba.org/show_bug.cgi?id=15491
• www.samba.orghttps://www.samba.org/samba/history/samba-4.19.2.html
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20231124-0007/