CVE-2024-23441: Vba32 Antivirus v3.36.0 is vulnerable to a Denial of Service vulnerability by triggering the 0x2220A7 IOCTL co

Routine

MEDIUM 5.5DOWNGRADE

CVE-2024-23441 is a medium-severity flaw (CVSS 5.5) affecting vba32. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-476
Published	2024-01-29
Last modified	2026-06-17

Publisher (CNA): Fluid Attacks · Vendor: anti-virus

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-01-29 16:15 UTCPublished CVE record published
2026-06-17 07:12 UTCUpdated Record last modified

anti-virus vba32 DOWNGRADE

Affected: 3.36.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.36.0

1. Check installed version

apt-cache policy vba32 || rpm -q vba32 || vba32 --version

2. No fixed release: DOWNGRADE to a release before 3.36.0 (Debian / Ubuntu)

apt-cache madison vba32 sudo apt install vba32=<VERSION_BEFORE_3.36.0> sudo apt-mark hold vba32

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list vba32 sudo dnf downgrade vba32-<VERSION_BEFORE_3.36.0> sudo dnf versionlock add vba32

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-23441?

vba32: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-23441 being exploited?

CVE-2024-23441 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-23441 affect?

CVE-2024-23441 affects vba32. Severity is medium (CVSS 5.5). Vba32 Antivirus v3.36.0 is vulnerable to a Denial of Service vulnerability by triggering the 0x2220A7 IOCTL code of the Vba32m64.sys driver.

How urgent is CVE-2024-23441?

Priority 28/100. Public exploit reference

Related CVEs

CVE-2024-23440 HIGH 7.1 DOWNGRADE Vba32 Antivirus v3.36.0 is vulnerable to an Arbitrary Memory Read vulnerability. The 0x22200B IOCTL code of th
CVE-2024-23439 HIGH 7.1 DOWNGRADE Vba32 Antivirus v3.36.0 is vulnerable to an Arbitrary Memory Read vulnerability by triggering the 0x22201B, 0x

References

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