CVE-2021-29908
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 · uneditedThe IBM TS7700 Management Interface is vulnerable to unauthenticated access. By accessing a specially-crafted URL, an attacker may gain administrative access to the Management Interface without authentication. IBM X-Force ID: 207747.
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 confidenceThe IBM TS7700 Management Interface contains an authentication bypass vulnerability allowing unauthenticated attackers to gain administrative access by requesting a specially-crafted URL. This critical flaw enables complete administrative control over the storage virtualization system without any 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= 8.51.0.63= 8.51.1.26= 8.52.100.32CVSS 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
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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 IBM TS7700 systemAccess the TS7700 Management Interface login page or check system documentation/inventory to confirm the device model is IBM TS7700. Query the system for its firmware version via the management interface or CLI using 'show version' or similar command.Affected if The system is not an IBM TS7700 device, or the version cannot be determined.
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Verify the installed firmware versionLocate the firmware version displayed in the Management Interface (typically on the main login page or in System > Status or About section) or retrieve it via CLI command such as 'lserv -V' or system information command provided by IBM TS7700.Affected if The installed version matches exactly 8.51.0.63, 8.51.1.26, or 8.52.100.32.
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Confirm Management Interface network exposureCheck network configuration settings within the TS7700 Management Interface under Network or Security sections. Use network scanning tools (nmap, netstat) from an external system to determine if TCP ports used by the Management Interface (typically 9543, 443, or as configured) are accessible from untrusted networks.Affected if The Management Interface is reachable from networks outside the trusted administrative zone.
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Review authentication enforcement on Management InterfaceAttempt to access Management Interface URLs without authentication. For a vulnerable system, specially-crafted URLs may return administrative pages or functionality without presenting a login prompt. Check if unauthenticated requests to paths like /admin, /management, or API endpoints return valid content instead of redirecting to login.Affected if Administrative interfaces or sensitive endpoints are accessible without authentication credentials.
You are affected if your IBM TS7700 runs firmware version 8.51.0.63, 8.51.1.26, or 8.52.100.32 AND the Management Interface is network-accessible from an untrusted 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 dataImmediately restrict network access to the Management Interface using firewall rules or network segmentation, apply IBM's security patch for CVE-2021-29908 when available, and verify that the fix properly enforces authentication before exposing the interface externally.
- Consultation6.0 h
- Implementation12.0 h
- Testing10.0 h
- Review / QA6.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-29908 — 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-2021-29908 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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