How severe is CVE-2013-5512?

CVE-2013-5512 has a CVSS 2.0 base score of 7.1, rated high severity.

Is CVE-2013-5512 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-5512?

CVE-2013-5512 primarily affects Cisco Adaptive Security Appliance Software. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-5512?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-5512 published?

CVE-2013-5512 was published on 2013-10-13 and last updated on 2026-06-16.

CVE-2013-5512

CVE-2013-5512 is a high-severity vulnerability in Cisco Adaptive Security Appliance Software with a CVSS 2.0 base score of 7.1. 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-362.

Key facts

Severity: High (CVSS 2.0 base score 7.1)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Cisco Adaptive Security Appliance Software
Published: 2013-10-13
Last modified: 2026-06-16

Description

Race condition in the HTTP Deep Packet Inspection (DPI) feature in Cisco Adaptive Security Appliance (ASA) Software 8.2.x before 8.2(5.46), 8.3.x before 8.3(2.39), 8.4.x before 8.4(5.5), 8.5.x before 8.5(1.18), 8.6.x before 8.6(1.12), 8.7.x before 8.7(1.4), 9.0.x before 9.0(1.4), and 9.1.x before 9.1(1.2), in certain conditions involving the spoof-server option or ActiveX or Java response inspection, allows remote attackers to cause a denial of service (device reload) via a crafted HTTP response, aka Bug ID CSCud37992.

Frequently asked questions

What is CVE-2013-5512?: Race condition in the HTTP Deep Packet Inspection (DPI) feature in Cisco Adaptive Security Appliance (ASA) Software 8.2.x before 8.2(5.46), 8.3.x before 8.3(2.39), 8.4.x before 8.4(5.5), 8.5.x before 8.5(1.18), 8.6.x before 8.6(1.12), 8.7.x before 8.7(1.4), 9.0.x before 9.0(1.4), and 9.1.x before 9.1(1.2), in certain conditions involving the spoof-server option or ActiveX or Java response inspection, allows remote attackers to cause a denial of service (device reload) via a crafted HTTP response, aka Bug ID CSCud37992.
How severe is CVE-2013-5512?: CVE-2013-5512 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2013-5512 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5512?: CVE-2013-5512 primarily affects Cisco Adaptive Security Appliance Software. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-5512?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-5512 published?: CVE-2013-5512 was published on 2013-10-13 and last updated on 2026-06-16.

References

Affected products (33)

cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(3.9\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4.1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4.4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(5.35\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(5.38\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(2.34\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(2.37\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(1.11\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(2.11\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(4.11\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.5\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.5\(1.17\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.6\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.6\(1.3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.6\(1.10\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.7\(1.3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:9.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:9.1:*:*:*:*:*:*:*

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