CVE-2025-13483
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 · uneditedSiRcom SMART Alert (SiSA) allows unauthorized access to backend APIs. This allows an unauthenticated attacker to bypass the login screen using browser developer tools, gaining access to restricted parts of the application.
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 confidenceSiRcom SMART Alert (SiSA) contains an authentication bypass vulnerability where backend API endpoints do not perform proper authorization checks. An unauthenticated attacker can use browser developer tools to modify requests or responses, bypassing the login screen and accessing restricted API functionality.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
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
- Privileges
- None
- Authentication
- X
- User interaction
- None
- Scope
- X
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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 if SiRcom SMART Alert (SiSA) is installedCheck your application inventory or list of running services for 'SiSA', 'SMART Alert', or 'SiRcom SMART Alert'Affected if The product is present in your environment
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Identify API endpoint base URLLocate API endpoint references in application documentation, or inspect browser network traffic when using the application to identify API URL patterns (typically /api/ or /rest/ paths)Affected if API endpoints are present and accessible
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Test API endpoint accessibility without authenticationUsing a tool like curl or Burp Suite, send a request to a known API endpoint (such as /api/users, /api/settings, or similar) WITHOUT including any session token, cookie, or Authorization headerAffected if The API returns successful data or a 2xx response instead of 401 Unauthorized or 403 Forbidden
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Verify API authorization is enforced server-sideAttempt to access restricted API functions (such as administrative operations or data retrieval endpoints) while deliberately tampering or omitting session credentials to see if the server rejects the requestAffected if The server allows access to restricted API functions without valid authentication
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Check for client-side only security controlsReview the application's architecture to determine if API endpoints rely on client-side session state (cookies, local storage) without server-side validation, or test by modifying request/response via browser developer toolsAffected if API endpoints accept requests based solely on client-side session state without independent server-side verification
If SiRcom SMART Alert (SiSA) is running and API endpoints are accessible or respond successfully without proper server-side authentication validation, the environment is affected by this vulnerability.
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 dataImplement server-side authentication and authorization validation on all backend API endpoints, ensuring that every API request verifies the user's identity and permissions regardless of client-side session state.
- Consultation4.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,040.
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Free · runs locallyCheck whether your project pulls in CVE-2025-13483 — 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-2025-13483 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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- 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
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