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CVE-2013-2131

33
FAUCET Score

CVE-2013-2131 is a format string vulnerability in the rrdtool module 1.4.7 for Python, specifically impacting its use within Zenoss. An unauthenticated attacker can exploit this by injecting format string specifiers into the rrdtool.graph function, leading to a denial of service (crash). With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication and having a low attack complexity, though its impact is limited to availability. While not listed on the KEV catalog, public exploit code exists on ExploitDB, but there is no evidence of active exploitation, Metasploit modules, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.4.7CPE matchmatch criteria
cpe:2.3:a:rrdtool_project:rrdtool:1.4.7:*:*:*:*:python:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
10.91%
Probability of exploitation in next 30 days
EPSS Percentile
95.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-38521 · May 18, 2013
This CVE's current EPSS score of 0.1091 is in the 94th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2013-2131

rrdtool: crashes on format string exploit

Apr 18, 2013

References

bugzilla.redhat.com / show_bug.cgi
github.com / oetiker/rrdtool-1.x/issues/396
github.com / oetiker/rrdtool-1.x/pull/397
openwall.com / lists/oss-security/2013/04/18/5
openwall.com / lists/oss-security/2013/05/19/5
openwall.com / lists/oss-security/2013/05/31/2