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CVE-2008-5540

Published: Dec 12, 2008Updated: Apr 23, 2026 Sources: CVE List NVDCWE-20
NVD MITRE
9.3CVSSCRITICAL
EPSS Score
1.9%
Top 22.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:NAC:MAu:NC:CI:CA:C
Exploitability
AV:NAccess Vector
Network
AC:MAccess Complexity
Medium
Au:NAuthentication
None
Impact
C:CConfidentiality
Complete
I:CIntegrity
Complete
A:CAvailability
Complete
Open in CVSS calculator →

Weaknesses

CWE-20

Affected Products

n/an/a
secure web gatewaysecure computing
On-prem
Security Products / secure-gateway-vpn
webwashersecure computing
On-prem
Security Products / secure-gateway-vpn
secure computingcommercialSecurity Products

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/47435
exchange.xforce.ibmcloud.com
http://securityreason.com/securityalert/4723
securityreason.com
http://www.securityfocus.com/archive/1/499043/100/0/threaded
securityfocus.com
and 1 more references View all →

Timeline

Published
Dec 12, 2008
Last Updated
Apr 23, 2026

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