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CVE-2008-5535

Norman Antivirus 5.80.02, when Internet Explorer 6 or 7 is used, allows remote attackers to...

9.3 High

Norman Antivirus 5.80.02, 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

2.95%Up 0.9 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.3

Norman Antivirus 5.80.02, 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-2008-5535
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

Norman Antivirus 5.80.02, 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-2008-5535
Updated
2026-11-02
EUVDEUVD-2008-5510 No score

Norman Antivirus 5.80.02, 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-2008-5510
Updated
2026-11-03
GitHub AdvisoriesGHSA-fm4r-v379-gc4v No score

Norman Antivirus 5.80.02, when Internet Explorer 6 or 7 is used, allows remote attackers to...

Norman Antivirus 5.80.02, 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-fm4r-v379-gc4v
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-2008-5535 is a high vulnerability (CVSS 9.3) in Norman Antivirus \& Antispyware, published December 12, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.95%, the 87th percentile. No source names a fixed version.

References

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