CVE-2013-6460

Exp

Nokogiri gem 1.5.x has Denial of Service via infinite loop when parsing XML documents

Published: 2019-11-05 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-6460 is rated High Exploit Risk (69.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.52%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). 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-2013-6460

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

Exploit prediction scoring system (EPSS) score for CVE-2013-6460

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 2025-03-30 3.10% 2.52% -0.58%
2 2025-03-29 2.52% 3.10% +0.58%
3 2025-03-17 2.52%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-6460

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 3.6 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P 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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2013-6460

GitHub Security Advisory for CVE-2013-6460

GHSA-62qp-3fxm-9wxf · Severity: medium · Ecosystem: rubygems — Nokogiri vulnerable to DoS while parsing XML documents

OS Trackers for CVE-2013-6460

vendor priority summary link
debian unimportant CVE-2013-6460 unimportant priority: Debian including 1 source packages (ruby-nokogiri), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-6460
redhat medium https://access.redhat.com/security/cve/CVE-2013-6460
ubuntu medium CVE-2013-6460 medium priority: Ubuntu including 2 source packages (libnokogiri-ruby, ruby-nokogiri), 12 status rows across 6 suites (lucid, precise, quantal, raring, saucy, upstream): DNE 5, not-affected 5, needs-triage 2. https://ubuntu.com/security/CVE-2013-6460

Affected software / configurations for CVE-2013-6460

Vendor Product Version Raw CPE
nokogiri nokogiri >= 1.5.0, < 1.5.11 cpe:2.3:a:nokogiri:nokogiri:*:*:*:*:*:*:*:*
nokogiri nokogiri >= 1.6.0, < 1.6.1 cpe:2.3:a:nokogiri:nokogiri:*:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
redhat cloudforms_management_engine 5.0 cpe:2.3:a:redhat:cloudforms_management_engine:5.0:*:*:*:*:*:*:*
redhat openstack 3.0 cpe:2.3:a:redhat:openstack:3.0:*:*:*:*:*:*:*
redhat openstack 4.0 cpe:2.3:a:redhat:openstack:4.0:*:*:*:*:*:*:*
redhat satellite 6.0 cpe:2.3:a:redhat:satellite:6.0:*:*:*:*:*:*:*
redhat subscription_asset_manager cpe:2.3:a:redhat:subscription_asset_manager:-:*:*:*:*:*:*:*
redhat enterprise_mrg 2.0 cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*

References for CVE-2013-6460

cvelogic Threat Intelligence