How severe is CVE-2023-2873?

CVE-2023-2873 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-2873 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2873?

CVE-2023-2873 affects Filseclab Twister Antivirus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2873?

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

When was CVE-2023-2873 published?

CVE-2023-2873 was published on 2023-05-24 and last updated on 2026-06-17.

CVE-2023-2873

CVE-2023-2873 is a medium-severity vulnerability in Filseclab Twister Antivirus with a CVSS 3.x base score of 5.3. 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 4.3
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Filseclab Twister Antivirus
Published: 2023-05-24
Last modified: 2026-06-17

Description

A vulnerability classified as critical was found in Twister Antivirus 8. This vulnerability affects the function 0x804f2143/0x804f217f/0x804f214b/0x80800043 in the library filppd.sys of the component IoControlCode Handler. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-229852. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2023-2873?: A vulnerability classified as critical was found in Twister Antivirus 8. This vulnerability affects the function 0x804f2143/0x804f217f/0x804f214b/0x80800043 in the library filppd.sys of the component IoControlCode Handler. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-229852. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2023-2873?: CVE-2023-2873 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-2873 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2873?: CVE-2023-2873 affects Filseclab Twister Antivirus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2873?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-2873 published?: CVE-2023-2873 was published on 2023-05-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:filseclab:twister_antivirus:*:*:*:*:*:*:*:*

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