VULNERABILITY INTELLIGENCE
CVE-2008-5540
CVSS score9.3 HIGH
EPSS probability1.94%
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
Secure Computing Secure Web Gateway (aka Webwasher), 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