CVE-2013-5511

CRITICAL

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...

Affects 1 product across 1 vendor.

CVSS 2.010.0
EPSS2.3%
Percentile83th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
CWE Weakness Definitions
CWE-287: Improper Authentication

Software does not prove or insufficiently proves that the user is who they claim to be.

Related Attack Patterns (CAPEC)
CAPEC-57 Utilizing REST's Trust in the System Resource to Obtain Sensitive Data
via CWE-287
CAPEC-633 Token Impersonation
via CWE-287
CAPEC-650 Upload a Web Shell to a Web Server
via CWE-287
CAPEC-194 Fake the Source of Data
via CWE-287
CAPEC-593 Session Hijacking
via CWE-287
Show all 10

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2013. A critical vulnerability affects Cisco systems (CVE-2013-5511). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2013-GLOBAL-095879-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2013-5511?
This vulnerability was disclosed in 2013. A critical vulnerability affects Cisco systems (CVE-2013-5511). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2013-5511?
CVE-2013-5511 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 2.3%.
Is CVE-2013-5511 actively exploited?
No confirmed active exploitation of CVE-2013-5511 as of 2026-09-25.
How do I remediate CVE-2013-5511?
Priority: MEDIUM.
What systems are affected by CVE-2013-5511?
CVE-2013-5511 affects Cisco Adaptive Security Appliance Software.
Vulnerability Details
CVE IDCVE-2013-5511
BSIDBS-2013-GLOBAL-095879-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2013-10-13
Last Modified2026-06-16
ICS Relevance80%
Weakness (CWE)
Improper Authentication
Domains
NETWORK-INFRA
SourceNVD
Official 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.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: 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. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Cisco Adaptive Security Appliance Software 8.2 8.2.1 8.2.2 8.2.3 8.2(1) 8.2(2)
+36 more8.2(3.9) 8.2(3) 8.2(4.1) 8.2(4.4) 8.2(4) 8.2(5.35) 8.2(5.38) 8.2(5) 8.3.1 8.3.2 8.3(1) 8.3(2.34) 8.3(2.37) 8.3(2) 8.4 8.4(1.11) 8.4(1) 8.4(2.11) 8.4(2) 8.4(3) 8.4(4.11) 8.4(5) 8.5 8.5(1.4) 8.5(1.17) 8.5(1) 8.6 8.6(1.3) 8.6(1.10) 8.6(1) 8.7.1 8.7.1.1 8.7(1.3) 9.0 9.1 9.1(1.7)
Remediation

No patch URL on record. Monitor vendor security advisories directly.

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 4750 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash175b19b64a2a43421788acc0a0d48eb63dd30a3d8f809df226733ab48ee82477b1b1b96381e43e77abb6493bb88a861c54329d5be1c8de4fb51115bcf3452e2d
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