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CVE-2008-5541

Sophos Anti-Virus 4.33.0, when Internet Explorer 6 or 7 is used, allows remote attackers to...

9.3 High

Sophos Anti-Virus 4.33.0, 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.

Exploit likelihood

7.60%Up 6.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.3

Sophos Anti-Virus 4.33.0, 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.

Record
CVE-2008-5541
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

Sophos Anti-Virus 4.33.0, 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.

Record
CVE-2008-5541
Updated
2026-11-02
EUVDEUVD-2008-5516 No score

Sophos Anti-Virus 4.33.0, 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.

Record
EUVD-2008-5516
Updated
2026-11-03
GitHub AdvisoriesGHSA-g97x-cqx3-893w No score

Sophos Anti-Virus 4.33.0, when Internet Explorer 6 or 7 is used, allows remote attackers to...

Sophos Anti-Virus 4.33.0, 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.

Record
GHSA-g97x-cqx3-893w
Weakness
CWE-20
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2008-5541 is a high vulnerability (CVSS 9.3) in Sophos Anti-virus, published December 12, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.60%, the 94th percentile. No source names a fixed version.

References

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