How severe is CVE-2023-1642?

CVE-2023-1642 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-1642 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1642?

CVE-2023-1642 affects Iobit Malware Fighter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1642?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-1642 published?

CVE-2023-1642 was published on 2023-03-26 and last updated on 2026-06-17.

CVE-2023-1642

CVE-2023-1642 is a medium-severity vulnerability in Iobit Malware Fighter with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-404.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.6
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-404
Affected product: Iobit Malware Fighter
Published: 2023-03-26
Last modified: 2026-06-17

Description

A vulnerability, which was classified as problematic, was found in IObit Malware Fighter 9.4.0.776. Affected is the function 0x222034/0x222038/0x22203C/0x222040 in the library ObCallbackProcess.sys of the component IOCTL Handler. The manipulation leads to denial of service. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. VDB-224022 is the identifier assigned to this vulnerability.

Frequently asked questions

What is CVE-2023-1642?: A vulnerability, which was classified as problematic, was found in IObit Malware Fighter 9.4.0.776. Affected is the function 0x222034/0x222038/0x22203C/0x222040 in the library ObCallbackProcess.sys of the component IOCTL Handler. The manipulation leads to denial of service. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. VDB-224022 is the identifier assigned to this vulnerability.
How severe is CVE-2023-1642?: CVE-2023-1642 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-1642 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1642?: CVE-2023-1642 affects Iobit Malware Fighter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1642?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-1642 published?: CVE-2023-1642 was published on 2023-03-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:iobit:malware_fighter:9.4.0.776:*:*:*:*:*:*:*

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