CVE-2023-47039

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 ImpacttotalSuccessful exploitation gives total 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

0.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 34.5% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/A:H

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

2024-01-02 05:30Z2 YR AGO

Last updated

2025-11-20 17:57Z9 MO AGO

Reserved

2023-10-30

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

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

Data version

5.2

Document digest

eb01281510c4d34d4adb8bab70aae4976a0f14c6f1db2ddbaaaee291757b0161

• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-47039vdb-entryx_refsource_REDHAT
• bugs.debian.orghttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746
• bugzilla.redhat.comRHBZ#2249525https://bugzilla.redhat.com/show_bug.cgi?id=2249525issue-trackingx_refsource_REDHAT
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20240208-0005/
• perldoc.perl.orghttps://perldoc.perl.org/perl5382delta#CVE-2023-47039-Perl-for-Windows-binary-hijacking-vulnerability