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Identity Services Engine SoftwareApplication · Cisco

CVE-2013-5530

HIGH · 9.0 CVSS v2.0 Published 2013-10-25
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
96/100
Remediation priority · Urgent
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
The web framework in Cisco Identity Services Engine (ISE) 1.0 and 1.1.0 before 1.1.0.665-5, 1.1.1 before 1.1.1.268-7, 1.1.2 before 1.1.2.145-10, 1.1.3 before 1.1.3.124-7, 1.1.4 before 1.1.4.218-7, and 1.2 before 1.2.0.899-2 allows remote authenticated users to execute arbitrary commands via a crafted session on TCP port 443, aka Bug ID CSCuh81511.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

Authenticated command injection vulnerability in Cisco Identity Services Engine web framework allows remote authenticated users to execute arbitrary operating system commands via crafted session parameters sent to TCP port 443.

MitigationApply Cisco ISE patches: upgrade to 1.1.0.665-5, 1.1.1.268-7, 1.1.2.145-10, 1.1.3.124-7, 1.1.4.218-7, or 1.2.0.899-2 or later per the version-specific patch matrix. Restrict administrative access to trusted IP addresses until patch is applied.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Identity Services Engine SoftwareApplication
Affected:= 1.0= 1.1= 1.1.1= 1.1.2= 1.1.3= 1.1.4= 1.2

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/Au:S/C:C/I:C/A:C

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify Cisco ISE installation and version
    Log into the ISE CLI and run the command 'show version' or access the ISE admin web interface and check the System Summary page for the software version
    Affected if The installed version is 1.0, 1.1, 1.1.1, 1.1.2, 1.1.3, 1.1.4, or 1.2 (exact match to affected versions)
  2. Verify web interface accessibility on TCP port 443
    From an external or non-internal network location, attempt to reach the ISE admin interface at https://<ise-host>:443 or check firewall rules for inbound access to port 443
    Affected if The ISE admin web portal on port 443 is reachable from untrusted or external networks
  3. Confirm administrative accounts exist
    Check if there are any administrative users configured in ISE by reviewing the Administration > Identity Management > Identities > Users section in the ISE web interface
    Affected if There are active administrative accounts that could be used to authenticate to the web interface
  4. Check for unrestricted administrative access
    Review the ISE policy sets and network access settings to determine if there are any IP-based restrictions on administrative logins, or check if the device management access list is empty or allows broad access
    Affected if No IP-based restrictions exist or administrative access is allowed from any source IP address

You are affected if your Cisco ISE version matches 1.0, 1.1, 1.1.x, or 1.2 AND the admin web interface on port 443 is accessible from a network where untrusted users could authenticate and send crafted session parameters.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply Cisco ISE patches: upgrade to 1.1.0.665-5, 1.1.1.268-7, 1.1.2.145-10, 1.1.3.124-7, 1.1.4.218-7, or 1.2.0.899-2 or later per the version-specific patch matrix. Restrict administrative access to trusted IP addresses until patch is applied.

Recommended fix High confidence

Apply the minimum applicable patch bundle: 1.1.0.665-5 (for 1.0/1.1.0), 1.1.1.268-7 (for 1.1.1), 1.1.2.145-10 (for 1.1.2), or migrate to a later supported release branch (1.1.3+, 1.2+)

  1. 1. Identify the currently installed Cisco ISE version by navigating to Administration > System > Settings > System Configuration > About Cisco ISE
  2. 2. Download the applicable patch bundle from Cisco.com (requires Cisco service contract): for 1.0.x apply patch 1.1.0.665-5 or later; for 1.1.0.x apply patch 1.1.0.665-5 or later; for 1.1.1.x apply patch 1.1.1.268-7 or later; for 1.1.2.x apply patch 1.1.2.145-10 or later
  3. 3. Back up the Cisco ISE configuration via Administration > System > Backup & Restore > Configuration Backup
  4. 4. Apply the patch via Administration > System > Maintenance > Patch Management > Install Patch
  5. 5. Verify the patch was applied successfully and confirm the version matches the fixed release
  6. 6. Restart Cisco ISE services if prompted
Caveat Patches are low-risk maintenance updates; ensure valid configuration backup before applying; test in staging environment first if possible

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Identity Services Engine Software Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing12.0 h
  • Review / QA4.0 h
28.0 hours of engineering $4,760
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Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2013-5530 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data