How severe is CVE-2013-5511?

CVE-2013-5511 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2013-5511 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-5511?

CVE-2013-5511 primarily affects Cisco Adaptive Security Appliance Software. In total, 44 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-5511?

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

When was CVE-2013-5511 published?

CVE-2013-5511 was published on 2013-10-13 and last updated on 2026-06-16.

CVE-2013-5511

CVE-2013-5511 is a critical-severity vulnerability in Cisco Adaptive Security Appliance Software with a CVSS 2.0 base score of 10.0. 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-287.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cisco Adaptive Security Appliance Software
Published: 2013-10-13
Last modified: 2026-06-16

Description

The Adaptive Security Device Management (ASDM) remote-management 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(6), 8.5.x before 8.5(1.18), 8.6.x before 8.6(1.12), 8.7.x before 8.7(1.7), 9.0.x before 9.0(3.1), and 9.1.x before 9.1(2.6) does not properly implement the authentication-certificate option, which allows remote attackers to bypass authentication via a TCP session to an ASDM interface, aka Bug ID CSCuh44815.

Frequently asked questions

What is CVE-2013-5511?: The Adaptive Security Device Management (ASDM) remote-management 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(6), 8.5.x before 8.5(1.18), 8.6.x before 8.6(1.12), 8.7.x before 8.7(1.7), 9.0.x before 9.0(3.1), and 9.1.x before 9.1(2.6) does not properly implement the authentication-certificate option, which allows remote attackers to bypass authentication via a TCP session to an ASDM interface, aka Bug ID CSCuh44815.
How severe is CVE-2013-5511?: CVE-2013-5511 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2013-5511 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5511?: CVE-2013-5511 primarily affects Cisco Adaptive Security Appliance Software. In total, 44 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-5511?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2013-5511 published?: CVE-2013-5511 was published on 2013-10-13 and last updated on 2026-06-16.

References

Affected products (44)

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:8.2.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.2:interim:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.3:*:*:*:*:*:*:*
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:8.3.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.1:interim:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.2:*:*:*:*:*:*:*
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\(1.4\):*:*:*:*:*:*:*
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:8.7.1:*:*:*:*:*:*:*

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