CVE-2022-20796
ClamAV Truncated File Denial of Service Vulnerability Affecting Cisco Products: April 2022
- Published
- Updated
- Reserved
- Assigned by
- cisco
Description
On May 4, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in Clam AntiVirus (ClamAV) versions 0.103.4, 0.103.5, 0.104.1, and 0.104.2 could allow an authenticated, local attacker to cause a denial of service condition on an affected device. For a description of this vulnerability, see the ClamAV blog.
Timeline
ID reserved
By cisco
- 6 months later
· 6 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ciscoCNA (assigner) | 3.1 | Medium6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.39% · top 67% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
Cisco · Cisco AMP for Endpoints
- affected n/a
What to do
Exploitation: The Cisco Product Security Incident Response Team is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
References (6)
- 20220504 ClamAV Truncated File Denial of Service Vulnerability Affecting Cisco Products: April 2022 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-b8691af27b (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-0ac71a8f3a (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-a910a41a17 (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20220603 [SECURITY] [DLA 3042-1] clamav security update (opens in a new tab)mailing-listx_transferred
- GLSA-202310-01 (opens in a new tab)vendor-advisoryx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-20796)Record last updated .