CVE-2023-4639

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

1.09% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 65.1% 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

Deferred. 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

2024-11-17 10:21Z1 YR AGO

Last updated

2025-02-07 17:02Z1 YR AGO

Reserved

2023-08-30

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-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')Base

Data version

5.1

Document digest

72c630a5ad4ede3c153f9a4a17e693281c101d72a374e61d0d79e110d10e6f23

• access.redhat.comRHSA-2024:1674https://access.redhat.com/errata/RHSA-2024:1674vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2024:1675https://access.redhat.com/errata/RHSA-2024:1675vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2024:1676https://access.redhat.com/errata/RHSA-2024:1676vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2024:1677https://access.redhat.com/errata/RHSA-2024:1677vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2024:2763https://access.redhat.com/errata/RHSA-2024:2763vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2024:2764https://access.redhat.com/errata/RHSA-2024:2764vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2024:3919https://access.redhat.com/errata/RHSA-2024:3919vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-4639vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2166022https://bugzilla.redhat.com/show_bug.cgi?id=2166022issue-trackingx_refsource_REDHAT
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20250207-0001/