CVE-2023-28484

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

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

EPSS percentile

Ranks above 62.9% 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:N/UI:R/S:U/C:N/I:N/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

2023-04-24 00:00Z3 YR AGO

Last updated

2025-05-30 19:44Z1 YR AGO

Reserved

2023-03-16

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-476NULL Pointer DereferenceBase
• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

52b1f44e9f344a3d8b83a991e5cbed2f6545c74fa4131a473cbfc397df2fea89

• gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4
• gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/libxml2/-/issues/491
• lists.debian.org[debian-lts-announce] 20230430 [SECURITY] [DLA 3405-1] libxml2 security updatehttps://lists.debian.org/debian-lts-announce/2023/04/msg00031.htmlmailing-list
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20230601-0006/
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20240201-0005/