CVE-2013-0262

rack/file.rb (Rack::File) in Rack 1.5.x before 1.5.2 and 1.4.x before 1.4.5 allows attackers to access arbitrary files outside the intended root directory via a crafted PATH_INFO environment variable, probably a directory traversal vulnerability that is remotely exploitable, aka "symlink path traversals."

Published: 2013-02-08 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-0262 is rated Moderate Risk (48.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.95%). Core evidence: EPSS rose +1.70% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-0262

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.26% 2.95% +1.70%
2 2026-03-26 0.83% 1.26% +0.43%
3 2025-08-08 0.83%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-0262

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2013-0262

GitHub Security Advisory for CVE-2013-0262

GHSA-85r7-w5mv-c849 · Severity: medium · Ecosystem: rubygems — Rack Vulnerable to Path Traversal

OS Trackers for CVE-2013-0262

vendor priority summary link
debian not yet assigned CVE-2013-0262 not yet assigned priority: Debian including 1 source packages (ruby-rack), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-0262
gentoo high CVE-2013-0262: 1 GLSA(s) (201405-10), 1 atom(s) (dev-ruby/rack); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-0262
redhat medium https://access.redhat.com/security/cve/CVE-2013-0262
suse medium CVE-2013-0262 severity moderate: SUSE including 55 source package names (ruby2.1-rubygem-chef-10.32.2-3.1, ruby2.1-rubygem-chef-10.32.2-3.2, …), 57 product×package rows across 7 product lines (SUSE Cloud Compute Node for SUSE Linux Enterprise 12 5, SUSE Linux Enterprise Software Development Kit 11 SP4, … (7 product lines)): Fixed 53, Known Not Affected 4. https://www.suse.com/security/cve/CVE-2013-0262/
ubuntu medium CVE-2013-0262 medium priority: Ubuntu including 1 source packages (ruby-rack), 9 status rows across 9 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream): DNE 3, released 3, ignored 2, not-affected 1. https://ubuntu.com/security/CVE-2013-0262

Affected software / configurations for CVE-2013-0262

Vendor Product Version Raw CPE
rack_project rack 1.4.0 cpe:2.3:a:rack_project:rack:1.4.0:*:*:*:*:*:*:*
rack_project rack 1.4.1 cpe:2.3:a:rack_project:rack:1.4.1:*:*:*:*:*:*:*
rack_project rack 1.4.2 cpe:2.3:a:rack_project:rack:1.4.2:*:*:*:*:*:*:*
rack_project rack 1.4.3 cpe:2.3:a:rack_project:rack:1.4.3:*:*:*:*:*:*:*
rack_project rack 1.4.4 cpe:2.3:a:rack_project:rack:1.4.4:*:*:*:*:*:*:*
rack_project rack 1.5.0 cpe:2.3:a:rack_project:rack:1.5.0:*:*:*:*:*:*:*
rack_project rack 1.5.1 cpe:2.3:a:rack_project:rack:1.5.1:*:*:*:*:*:*:*

References for CVE-2013-0262

cvelogic Threat Intelligence