5.5

CVE-2024-23441: anti-virus vba32 NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
Published 29-01-2024Last modified 20-04-2026
Open JSON

Vulnerability summary

CVE-2024-23441 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in anti-virus vba32. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 13.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 29-01-2024
    PublishedVulnerability first disclosed.
  2. 20-04-2026
    Last modifiedVulnerability information updated.

Description

Vba32 Antivirus v3.36.0 is vulnerable to a Denial of Service vulnerability by triggering the 0x2220A7 IOCTL code of the Vba32m64.sys driver.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

0.00 pp

From 0.24% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (fluidattacks.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Anti-virus1 product
Virusblokada1 product

2 vendors · 2 products

References

2 links