VULNERABILITY INTELLIGENCE

CVE-2008-5535

CVSS score9.3 HIGH
EPSS probability2.95%
CISA KEVNot currently listed
Published2008-12-12
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:C/I:C/A:C

Description

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.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references