How severe is CVE-2013-5560?

CVE-2013-5560 has a CVSS 2.0 base score of 5.4, rated medium severity.

Is CVE-2013-5560 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-5560?

CVE-2013-5560 primarily affects Cisco Adaptive Security Appliance Software. In total, 118 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-5560?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-5560 published?

CVE-2013-5560 was published on 2013-11-13 and last updated on 2026-06-16.

CVE-2013-5560

CVE-2013-5560 is a medium-severity vulnerability in Cisco Adaptive Security Appliance Software with a CVSS 2.0 base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.4)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Adaptive Security Appliance Software
Published: 2013-11-13
Last modified: 2026-06-16

Description

The IPv6 implementation in Cisco Adaptive Security Appliance (ASA) Software 9.1.3 and earlier, when NAT64 or NAT66 is enabled, does not properly process NAT rules, which allows remote attackers to cause a denial of service (device reload) via crafted packets, aka Bug ID CSCue34342.

Frequently asked questions

What is CVE-2013-5560?: The IPv6 implementation in Cisco Adaptive Security Appliance (ASA) Software 9.1.3 and earlier, when NAT64 or NAT66 is enabled, does not properly process NAT rules, which allows remote attackers to cause a denial of service (device reload) via crafted packets, aka Bug ID CSCue34342.
How severe is CVE-2013-5560?: CVE-2013-5560 has a CVSS 2.0 base score of 5.4, rated medium severity.
Is CVE-2013-5560 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5560?: CVE-2013-5560 primarily affects Cisco Adaptive Security Appliance Software. In total, 118 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-5560?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-5560 published?: CVE-2013-5560 was published on 2013-11-13 and last updated on 2026-06-16.

References

Affected products (118)

cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(0\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(5.2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(6\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(6.7\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(7\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(8\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.1.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.4.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.7:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.8:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.8:interim:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1\(2.5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1\(2.27\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1\(2.48\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1\(2.49\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1\(5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(1.22\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.7\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.8\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.10\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.14\):*:*:*:*:*:*:*

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