CVE-2008-5540 json
Secure Computing Secure Web Gateway (aka Webwasher), when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of…
published 2008-12-12 17 y ago modified 2026-06-16 4 mo ago also EUVD-2008-5515
- cvss
- 9.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.94% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
exchange.xforce.ibmcloud.com
/vulnerabilities/47435
vdb-entry
-
securityreason.com
/securityalert/4723
third-party-advisory
-
securityfocus.com
/archive/1/499043/100/0/threaded
mailing-list
-
securityfocus.com
/archive/1/498995/100/0/threaded
mailing-list
Sources
- CVE List CVE-2008-5540
- NVD CVE-2008-5540
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