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CVE-2008-5533
K7AntiVirus 7.10.541 and possibly 7.10.454, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware…
High9.3EPSS 3.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
K7AntiVirus 7.10.541 and possibly 7.10.454, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by placing an MZ header (aka "EXE info") at the beginning, and modifying the filename to have (1) no extension, (2) a .txt extension, or (3) a .jpg extension, as demonstrated by a document containing a CVE-2006-5745 exploit.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 3.0% · top 13% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Weakness
Affected products
n/a
- affected n/a
References (4)
- multiple-antivirus-mzheader-code-execution(47435) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 4723 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- 20081209 Multiple Vendor Anti-Virus Software Malicious WebPage Detection Bypass -Update- (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20081208 Multiple Vendor Anti-Virus Software Malicious WebPage Detection Bypass (opens in a new tab)mailing-listx_refsource_BUGTRAQx_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-2008-5533)Record last updated .