CVE-2023-1631

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

0.35% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 27.9% 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:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2023-03-25 12:00Z3 YR AGO

Last updated

2024-11-22 16:50Z1 YR AGO

Reserved

2023-03-25

Assigning CNA

VulDB

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:N/I:N/A:H

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

85b252752f564d27ca88c75022033d466d0682dd80526dd8e811ff4d8f35553d

• vuldb.comhttps://vuldb.com/?id.224013vdb-entrytechnical-description
• vuldb.comhttps://vuldb.com/?ctiid.224013signaturepermissions-required
• github.comhttps://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1631related
• drive.google.comhttps://drive.google.com/file/d/1Div9mElTdsluLrU2etziLYqmXcqQFj1j/viewexploit