Is CVE-2011-4609 being actively exploited?

CVE-2011-4609 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-4609?

CVE-2011-4609 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2011-4609

MEDIUM · CVSS 5.0EPSS 1.8%EU EUVD

The svc_run function in the RPC implementation in glibc before 2.15 allows remote attackers to cause a denial of service (CPU consumption) via a large number of RPC connections.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-399
EPSS score: 1.8% (79th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-4533)
Published: May 2, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4533 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc

References

https://bugzilla.redhat.com/show_bug.cgi?id=767299

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

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