Is CVE-2013-5552 being actively exploited?

CVE-2013-5552 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-5552?

CVE-2013-5552 has a CVSS 2.0 base score of 6.4 (MEDIUM).

CVE-2013-5552

MEDIUM · CVSS 6.4EPSS 1.2%EU EUVD

Cisco IOS 12.4(24)MDB9 and earlier on Content Services Gateway (CSG) devices does not properly implement the "parse error drop" feature, which allows remote attackers to bypass intended access restrictions via a crafted series of packets, aka Bug ID CSCug90143.

Key facts

CVSS score: 6.4 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:N
Weakness (CWE): CWE-264
EPSS score: 1.2% (68th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-5392)
Published: November 13, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-5392 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.

View on the EU Vulnerability Database

Affected products

cisco / content services gateway
cisco / ios
cisco / ios
cisco / ios
cisco / ios
cisco / ios
cisco / ios
cisco / ios
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cisco / ios
cisco / ios
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cisco / ios
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cisco / ios
cisco / ios
cisco / ios
cisco / ios
cisco / ios

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5552(Vendor Advisory)
http://tools.cisco.com/security/center/viewAlert.x?alertId=31715(Vendor Advisory)

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

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