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CVE-2008-5524

23
FAUCET Score

CVE-2008-5524 describes a bypass vulnerability in CAT-QuickHeal 10.00 and potentially 9.50 when used with Internet Explorer 6 or 7. Remote attackers could circumvent malware detection in HTML documents by prepending an MZ header and using specific file extensions (none, .txt, or .jpg). This vulnerability has a critical CVSS score of 9.3, indicating a network-based attack with medium complexity and complete confidentiality, integrity, and availability impacts. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
9.50CPE matchmatch criteria
cpe:2.3:a:quickheal:cat_quickheal:9.50:*:*:*:*:*:*:*
10.00CPE matchmatch criteria
cpe:2.3:a:quickheal:cat_quickheal:10.00:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.94%
Probability of exploitation in next 30 days
EPSS Percentile
78.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0194 is in the 35th percentile among its peer group of 8,915 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

securityreason.com / securityalert/4723
exchange.xforce.ibmcloud.com / vulnerabilities/47435
securityfocus.com / archive/1/498995/100/0/threaded
securityfocus.com / archive/1/499043/100/0/threaded