CVE-2024-20328
CVE-2024-20328 is a medium-severity vulnerability in Clamav with a CVSS 3.x base score of 5.3. Its EPSS exploit-prediction score of 85% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 85% (100th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-18043
- Weakness: CWE-78
- Affected product: Clamav
- Published:
- Last modified:
Description
A vulnerability in the VirusEvent feature of ClamAV could allow a local attacker to inject arbitrary commands with the privileges of the application service account.The vulnerability is due to unsafe handling of file names. A local attacker could exploit this vulnerability by supplying a file name containing command-line sequences. When processed on a system using configuration options for the VirusEvent feature, the attacker could cause the application to execute arbitrary commands. ClamAV has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Frequently asked questions
- What is CVE-2024-20328?
- A vulnerability in the VirusEvent feature of ClamAV could allow a local attacker to inject arbitrary commands with the privileges of the application service account.The vulnerability is due to unsafe handling of file names. A local attacker could exploit this vulnerability by supplying a file name containing command-line sequences. When processed on a system using configuration options for the VirusEvent feature, the attacker could cause the application to execute arbitrary commands. ClamAV has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
- How severe is CVE-2024-20328?
- CVE-2024-20328 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-2024-20328 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 85% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-20328?
- CVE-2024-20328 affects Clamav. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-20328?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-20328 have an EU (EUVD) identifier?
- Yes. CVE-2024-20328 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18043.
- When was CVE-2024-20328 published?
- CVE-2024-20328 was published on 2024-03-01 and last updated on 2026-06-17.
References
- https://blog.clamav.net/2023/11/clamav-130-122-105-released.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/5FXZYVDNV66RNMNVJOHAJAYRZV4U64CQ/
Affected products (1)
- cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:*
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