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Firesight System SoftwareApplication · Cisco

CVE-2015-4242

MEDIUM · 6.8 CVSS v2.0 Published 2015-07-08
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
77/100
Remediation priority · High
Remotely reachable No privileges 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
Cross-site request forgery (CSRF) vulnerability in Cisco FireSIGHT System Software 5.4.1.2 and 6.0.0 in FireSIGHT Management Center allows remote attackers to hijack the authentication of arbitrary users, aka Bug ID CSCuu94721.

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

Cross-site request forgery (CSRF) vulnerability in Cisco FireSIGHT Management Center software versions 5.4.1.2 and 6.0.0 allows remote attackers to hijack the authentication of arbitrary users by tricking authenticated users into submitting malicious requests.

MitigationApply vendor-supplied patches for Cisco FireSIGHT System Software. Implement anti-CSRF tokens and validate Origin/Referer headers as compensating controls until patch deployment.

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
Firesight System SoftwareApplication
Affected:= 5.4.1.2= 6.0.0

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
M
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:M/Au:N/C:P/I:P/A:P

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. Access FireSIGHT Management Center CLI
    Log into the FireSIGHT Management Center console via SSH or direct console access.
    Affected if You have administrative access to the management center.
  2. Check the installed software version
    Run the command `show version` or `system upgrade` to display the installed software version.
    Affected if The command output shows the exact version number.
  3. Verify the version matches affected releases
    Compare the displayed version number against the affected versions: 5.4.1.2 or 6.0.0.
    Affected if The installed version is exactly 5.4.1.2 or exactly 6.0.0.
  4. Confirm web interface is accessible
    Attempt to reach the FireSIGHT web interface via HTTPS on port 443.
    Affected if The web interface is reachable and accepts authentication.

You are affected if the installed Cisco FireSIGHT Management Center software is exactly version 5.4.1.2 or exactly version 6.0.0 and the web interface is accessible.

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.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply vendor-supplied patches for Cisco FireSIGHT System Software. Implement anti-CSRF tokens and validate Origin/Referer headers as compensating controls until patch deployment.

Fix this in Firesight System Software Scoped from the published advisory
  • Consultation4.0 h
  • Implementation2.0 h
  • Testing3.0 h
  • Review / QA2.0 h
11.0 hours of engineering $1,970
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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-2015-4242 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
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