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Fencer Vulns
medium 5.5

CVE-2023-1631 json

JiangMin Antivirus IOCTL kvcore.sys 0x222010 null pointer dereference

published 2023-03-25 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-23862

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 28%
public exploits
0
none known

Summary

A vulnerability, which was classified as problematic, was found in JiangMin Antivirus 16.2.2022.418. This affects the function 0x222010 in the library kvcore.sys of the component IOCTL Handler. The manipulation leads to null pointer dereference. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The identifier VDB-224013 was assigned to this vulnerability.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • drive.google.com https://drive.google.com/file/d/1Div9mElTdsluLrU2etziLYqmXcqQFj1j/view referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA 2.0 4.6 AV:L/AC:L/Au:S/C:N/I:N/A:C
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • JiangMin Antivirus

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.