CVE-2021-32456
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 · uneditedSITEL CAP/PRX firmware version 5.2.01 allows an attacker with access to the local network of the device to obtain the authentication passwords by analysing the network traffic.
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 confidenceSITEL CAP/PRX firmware version 5.2.01 transmits authentication passwords in cleartext or with weak encoding over the network, allowing any attacker with local network access to capture and analyze network traffic to recover the credentials.
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= 5.2.01CVSS 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
- Adjacent
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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 the device firmware versionAccess the device management interface or check the device documentation to determine the exact firmware version running on the Sitel CAP/PRX device. This is typically visible in the system information or status page of the device web interface or CLI.Affected if The firmware version is exactly 5.2.01
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Confirm the device modelVerify that the device is a Sitel Sa Remote Cap or PRX model. Check the device label, web interface, or CLI output for the model identifier.Affected if The device is a Sitel CAP/PRX model running firmware version 5.2.01
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Capture network traffic from the deviceUse a network packet capture tool (such as Wireshark or tcpdump) on the same network segment as the device to capture outgoing network traffic during authentication. Analyze the captured packets for plaintext or weakly encoded password strings.Affected if Authentication traffic contains passwords transmitted in cleartext or with weak encoding (e.g., base64, simple XOR) rather than secure encryption
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Verify network accessibilityDetermine if the device is reachable over the network from segments other than trusted management networks. Check if the device management interface is exposed to untrusted network segments.Affected if The device is accessible from network segments where untrusted users or devices exist, allowing them to capture authentication traffic
A user is affected if they are running Sitel CAP/PRX firmware version 5.2.01 and the device transmits authentication credentials without proper encryption on an accessible network.
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 dataUpgrade to a patched firmware version. If no patch is available, implement network segmentation to restrict access to the device and consider additional authentication controls.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-32456 — 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-2021-32456 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