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CVE-2008-2168

51
FAUCET Score

CVE-2008-2168 is a cross-site scripting (XSS) vulnerability affecting Apache HTTP Server versions 2.2.6 and earlier. It allows remote attackers to inject arbitrary web script or HTML via specially crafted UTF-7 encoded URLs that are not properly sanitized when displaying the 403 Forbidden error page. This vulnerability has a CVSS score of 4.3 (Medium), indicating a network-based attack with medium complexity and a potential impact of partial information disclosure. While there is no evidence of active exploitation or Metasploit/Nuclei modules, an ExploitDB entry exists for a related UTF-7 HTTP response handling issue in Internet Explorer, and the vulnerability has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:apache:http_server:-:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:apache:http_server:2.0:*:*:*:*:*:*:*
2.0.9CPE matchmatch criteria
cpe:2.3:a:apache:http_server:2.0.9:*:*:*:*:*:*:*
2.0.28CPE matchmatch criteria
cpe:2.3:a:apache:http_server:2.0.28:*:*:*:*:*:*:*
2.0.28CPE matchmatch criteria
cpe:2.3:a:apache:http_server:2.0.28:beta:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
54.85%
Probability of exploitation in next 30 days
EPSS Percentile
98.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-31759 · May 8, 2008
This CVE's current EPSS score of 0.5485 is in the 99th percentile among its peer group of 19,956 CVEs.

Social Chatter

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

Remediation

Vendor Advisories (1)

redhatCVE-2008-2168

httpd: XSS via UTF-7 encoded urls on the 403 Forbidden error page

May 8, 2008

References

h20000.www2.hp.com / bizsupport/TechSupport/Document.jsp
marc.info
marc.info
secunia.com / advisories/31651
secunia.com / advisories/34219
secunia.com / advisories/35650
securityreason.com / securityalert/3889
exchange.xforce.ibmcloud.com / vulnerabilities/42303
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5143
securityfocus.com / archive/1/491862/100/0/threaded
securityfocus.com / archive/1/491901/100/0/threaded
securityfocus.com / archive/1/491930/100/0/threaded
securityfocus.com / archive/1/491967/100/0/threaded
securityfocus.com / bid/29112
Exploit
ubuntu.com / usn/USN-731-1