Is CVE-2013-4261 being actively exploited?

CVE-2013-4261 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-4261?

CVE-2013-4261 has a CVSS 2.0 base score of 3.5 (LOW).

CVE-2013-4261

LOW · CVSS 3.5EPSS 1.7%EU EUVD

OpenStack Compute (Nova) Folsom, Grizzly, and earlier, when using Apache Qpid for the RPC backend, does not properly handle errors that occur during messaging, which allows remote attackers to cause a denial of service (connection pool consumption), as demonstrated using multiple requests that send long strings to an instance console and retrieving the console log.

Key facts

CVSS score: 3.5 (v2.0)
Severity: LOW
CVSS vector: AV:N/AC:M/Au:S/C:N/I:N/A:P
Weakness (CWE): CWE-119
EPSS score: 1.7% (78th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-4161)
Published: October 29, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-4161 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

openstack / folsom
openstack / grizzly
redhat / openstack

References

http://rhn.redhat.com/errata/RHSA-2013-1199.html(Vendor Advisory)
http://seclists.org/oss-sec/2013/q3/595(Patch)
https://bugs.launchpad.net/nova/+bug/1215091(Exploit)
https://bugzilla.redhat.com/show_bug.cgi?id=999164(Exploit, Patch)
https://bugzilla.redhat.com/show_bug.cgi?id=999271

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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