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CVE-2005-0453

15
FAUCET Score

CVE-2005-0453 describes a vulnerability in Lighttpd versions 1.3.7 and earlier, where the buffer_urldecode function improperly handles control characters. This flaw allows remote attackers to access the source code of CGI and FastCGI scripts by injecting a null character (%00) after the file extension in a URL. With a CVSS score of 5.0, this vulnerability has a low attack complexity and requires no authentication, potentially leading to information disclosure. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.3.7CPE matchmatch criteria
cpe:2.3:a:lighttpd:lighttpd:1.3.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.72%
Probability of exploitation in next 30 days
EPSS Percentile
75.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0172 is in the 61st percentile among its peer group of 23,725 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

Patch Available

Vendor Patches (1)

gentoopatch availablevia nvd_reference
View patch

References

article.gmane.org / gmane.comp.web.lighttpd/1171
PatchVendor Advisory
secunia.com / advisories/14297
PatchVendor Advisory
security.gentoo.org / glsa/glsa-200502-21.xml
PatchVendor Advisory