VULNERABILITY INTELLIGENCE
CVE-2008-5520
CVSS score9.3 HIGH
EPSS probability1.91%
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
AhnLab V3 2008.12.4.1 and possibly 2008.9.13.0, 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.
Weakness classification
- CWE-20: Improper Input Validation