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CVE-2013-0337

20
FAUCET Score

CVE-2013-0337 describes a vulnerability in the default configuration of Nginx, specifically versions 1.3.13 and earlier, where access.log and error.log files are set with world-readable permissions. This allows local users to gain sensitive information by directly reading these log files. The vulnerability has a CVSS score of 7.5, indicating high severity, with a network attack vector, low complexity, and potential for partial confidentiality, integrity, and availability impact. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has received some community discussion and media coverage, suggesting awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.3.13CPE matchmatch criteria
cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:f5:nginx:1.0.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:f5:nginx:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:f5:nginx:1.0.2:*:*:*:*:*:*:*
1.0.3CPE matchmatch criteria
cpe:2.3:a:f5:nginx:1.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.20%
Probability of exploitation in next 30 days
EPSS Percentile
80.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0220 is in the 66th percentile among its peer group of 51,551 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, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

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

secunia.com / advisories/55181
Vendor Advisory
security.gentoo.org / glsa/glsa-201310-04.xml
openwall.com / lists/oss-security/2013/02/21/15
openwall.com / lists/oss-security/2013/02/22/1
openwall.com / lists/oss-security/2013/02/24/1