Telepresence Serial GatewayApplication · Cisco
CVE-2015-4253
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 · uneditedCross-site request forgery (CSRF) vulnerability on Cisco TelePresence Serial Gateway devices with software 1.0(1.42) allows remote attackers to hijack the authentication of arbitrary users, aka Bug ID CSCuu90728.
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 · moderate confidenceCSRF vulnerability in Cisco TelePresence Serial Gateway software version 1.0(1.42) allows remote attackers to send malicious requests that appear to originate from an authenticated user's session, enabling attackers to hijack authentication and perform unauthorized actions on behalf of legitimate users.
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
Telepresence Serial GatewayApplication
= 1.0.1.42CVSS 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 checksWork through these to decide whether this CVE applies to you.
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Identify Cisco TelePresence Serial Gateway installationLocate the Cisco TelePresence Serial Gateway software on the system or network inventory. This is a dedicated appliance or software package, not a component of other Cisco products.Affected if The software is present in the environment
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Determine the software versionAccess the system administration interface or use system commands to retrieve the installed version of Cisco TelePresence Serial Gateway. Compare the version number to the affected release 1.0.1.42.Affected if The installed version is exactly 1.0.1.42
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Verify web management interface is enabledCheck if the web-based administrative interface for the TelePresence Serial Gateway is accessible and enabled. CSRF attacks require a web interface to be exploitable.Affected if The web management interface is enabled and accessible to users or attackers
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Confirm authentication is in useVerify that user authentication is required and active for the web interface. CSRF vulnerabilities hijack authenticated sessions, so an active session is required for exploitation.Affected if Web authentication is required and active for the management interface
The environment is affected only if Cisco TelePresence Serial Gateway version 1.0.1.42 is installed with its web management interface enabled and authentication active.
Generated from the published advisory. Verify against your own configuration.
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 dataContact Cisco for available patches or firmware updates addressing this vulnerability. If no patch exists, implement anti-CSRF tokens and SameSite cookie attributes as a defensive measure at the application layer.
Fix this in Telepresence Serial Gateway
Scoped from the published advisory
- Consultation2.0 h
- Implementation3.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,272.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2015-4253 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2015-4253 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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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.
- 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