Is CVE-2013-5209 being actively exploited?

CVE-2013-5209 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-5209?

CVE-2013-5209 has a CVSS 2.0 base score of 7.8 (HIGH).

CVE-2013-5209

HIGH · CVSS 7.8EPSS 2.5%EU EUVD

The sctp_send_initiate_ack function in sys/netinet/sctp_output.c in the SCTP implementation in the kernel in FreeBSD 8.3 through 9.2-PRERELEASE does not properly initialize the state-cookie data structure, which allows remote attackers to obtain sensitive information from kernel stack memory by reading packet data in INIT-ACK chunks.

Key facts

CVSS score: 7.8 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:C/I:N/A:N
Weakness (CWE): CWE-200
EPSS score: 2.5% (85th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-5049)
Published: August 29, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-5049 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

freebsd / freebsd
freebsd / freebsd
freebsd / freebsd
freebsd / freebsd
freebsd / freebsd
freebsd / freebsd

References

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

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