CVE-2013-2065

Exp

(1) DL and (2) Fiddle in Ruby 1.9 before 1.9.3 patchlevel 426, and 2.0 before 2.0.0 patchlevel 195, do not perform taint checking for native functions, which allows context-dependent attackers to bypass intended $SAFE level restrictions.

Published: 2013-11-02 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-2065 is rated High Exploit Risk (71.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.51%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.83% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2013-2065

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-2065

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 0.68% 2.51% +1.83%
2 2026-06-04 0.89% 0.68% -0.21%
3 2026-06-03 0.89%

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-2065

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
10.0 4.9 [email protected]

Weakness enumeration for CVE-2013-2065

OS Trackers for CVE-2013-2065

vendor priority summary link
redhat low https://access.redhat.com/security/cve/CVE-2013-2065
ubuntu low CVE-2013-2065 low priority: Ubuntu including 3 source packages (ruby1.8, ruby1.9.1, ruby2.0), 18 status rows across 6 suites (lucid, precise, quantal, raring, saucy, upstream): not-affected 6, released 6, DNE 4, ignored 2. https://ubuntu.com/security/CVE-2013-2065

Affected software / configurations for CVE-2013-2065

Vendor Product Version Raw CPE
opensuse opensuse 12.2 cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*
opensuse opensuse 12.3 cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
ruby-lang ruby 1.9 cpe:2.3:a:ruby-lang:ruby:1.9:*:*:*:*:*:*:*
ruby-lang ruby 1.9.1 cpe:2.3:a:ruby-lang:ruby:1.9.1:*:*:*:*:*:*:*
ruby-lang ruby 1.9.2 cpe:2.3:a:ruby-lang:ruby:1.9.2:*:*:*:*:*:*:*
ruby-lang ruby 1.9.3 cpe:2.3:a:ruby-lang:ruby:1.9.3:*:*:*:*:*:*:*
ruby-lang ruby 1.9.3 cpe:2.3:a:ruby-lang:ruby:1.9.3:p0:*:*:*:*:*:*
ruby-lang ruby 1.9.3 cpe:2.3:a:ruby-lang:ruby:1.9.3:p125:*:*:*:*:*:*
ruby-lang ruby 1.9.3 cpe:2.3:a:ruby-lang:ruby:1.9.3:p194:*:*:*:*:*:*
ruby-lang ruby 1.9.3 cpe:2.3:a:ruby-lang:ruby:1.9.3:p286:*:*:*:*:*:*
ruby-lang ruby 1.9.3 cpe:2.3:a:ruby-lang:ruby:1.9.3:p383:*:*:*:*:*:*
ruby-lang ruby 1.9.3 cpe:2.3:a:ruby-lang:ruby:1.9.3:p385:*:*:*:*:*:*
ruby-lang ruby 1.9.3 cpe:2.3:a:ruby-lang:ruby:1.9.3:p392:*:*:*:*:*:*
ruby-lang ruby 2.0 cpe:2.3:a:ruby-lang:ruby:2.0:*:*:*:*:*:*:*
ruby-lang ruby 2.0.0 cpe:2.3:a:ruby-lang:ruby:2.0.0:*:*:*:*:*:*:*
ruby-lang ruby 2.0.0 cpe:2.3:a:ruby-lang:ruby:2.0.0:p0:*:*:*:*:*:*
ruby-lang ruby 2.0.0 cpe:2.3:a:ruby-lang:ruby:2.0.0:preview1:*:*:*:*:*:*
ruby-lang ruby 2.0.0 cpe:2.3:a:ruby-lang:ruby:2.0.0:preview2:*:*:*:*:*:*
ruby-lang ruby 2.0.0 cpe:2.3:a:ruby-lang:ruby:2.0.0:rc1:*:*:*:*:*:*
ruby-lang ruby 2.0.0 cpe:2.3:a:ruby-lang:ruby:2.0.0:rc2:*:*:*:*:*:*

References for CVE-2013-2065

cvelogic Threat Intelligence