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CVE-2006-6406
Clam AntiVirus (ClamAV) 0.88.6 allows remote attackers to bypass virus detection by inserting invalid characters into base64 encoded…
Medium5.0EPSS 3.3%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Clam AntiVirus (ClamAV) 0.88.6 allows remote attackers to bypass virus detection by inserting invalid characters into base64 encoded content in a multipart/mixed MIME file, as demonstrated with the EICAR test file.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 3.3% · top 12% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (13)
- 21461 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://kolab.org/security/kolab-vendor-notice-14.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- 23460 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2006-4948 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- DSA-1238 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- SUSE-SA:2006:078 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 20061206 Multiple Vendor Unusual MIME Encoding Content Filter Bypass (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 23379 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.quantenblog.net/security/virus-scanner-bypass (opens in a new tab)x_refsource_MISCx_transferred
- MDKSA-2006:230 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- ADV-2006-5113 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 23411 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 23362 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_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)
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[](https://trackcve.app/cve/CVE-2006-6406)Record last updated .