CVE-2013-2131

NONECVSS 0.0Trending — 3 sources updated this weekWeaponized

0.0

Format string vulnerability in the rrdtool module 1.4.7 for Python, as used in Zenoss, allows context-dependent attackers to cause a denial of service (crash) via format string specifiers to the rrdtool.graph function.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 94.2%
KEV: Not listed

Published

January 4, 2015

Last Modified

May 6, 2026

References (12)

secalert@redhathttp://www.openwall.com/lists/oss-security/2013/04/18/5
secalert@redhathttp://www.openwall.com/lists/oss-security/2013/05/19/5
secalert@redhathttp://www.openwall.com/lists/oss-security/2013/05/31/2
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=969296
secalert@redhathttps://github.com/oetiker/rrdtool-1.x/issues/396
secalert@redhathttps://github.com/oetiker/rrdtool-1.x/pull/397
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/04/18/5
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/05/19/5
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/05/31/2
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=969296
af854a3a-2127-422b-91ae-364da2661108https://github.com/oetiker/rrdtool-1.x/issues/396
af854a3a-2127-422b-91ae-364da2661108https://github.com/oetiker/rrdtool-1.x/pull/397

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-134Use of Externally-Controlled Format String

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
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2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 14:15 UTCEG score recompute
2026-05-28 14:15 UTCGHSA enrichment
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-38521✓ verified
First seen May 18, 2013
Python RRDtool Module - Function Format String
Open source ↗

Frequently asked(4)

What is CVE-2013-2131?

CVE-2013-2131 is a none vulnerability published on January 4, 2015. Format string vulnerability in the rrdtool module 1.4.7 for Python, as used in Zenoss, allows context-dependent attackers to cause a denial of service (crash) via format string specifiers to the rrdtool.graph function.

When was CVE-2013-2131 disclosed?

CVE-2013-2131 was first published in the National Vulnerability Database on January 4, 2015, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2013-2131 actively exploited?

CVE-2013-2131 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2013-2131?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-2131, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2013-2131

📅 Published

🔄 Last Modified

🔗 References (12)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2013-2131?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (12)

Frequently asked(4)

Related CVEs(same CWE)