CVE-2021-39051
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 · uneditedIBM Spectrum Copy Data Management 2.2.0.0 through 2.2.14.3 is vulnerable to server-side request forgery, caused by improper input of application server registration function. A remote attacker could exploit this vulnerability using the host address and port fields of the application server registration form in the portal UI to enumerate and attack services that are running on those hosts. IBM X-Force ID: 214441.
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 confidenceIBM Spectrum Copy Data Management versions 2.2.0.0 through 2.2.14.3 contains a Server-Side Request Forgery (SSRF) vulnerability in the application server registration function. The portal UI accepts host address and port fields without proper validation, allowing a remote authenticated attacker to make the application server enumerate or attack internal services by specifying internal host addresses and ports.
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>= 2.2.0.0, < 2.2.15.0CVSS 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
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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.
-
Identify installed IBM Spectrum Copy Data Management versionLocate the installed version through product documentation, package manager, or administrative console. Common methods include checking the installed software list, running product-specific version command, or viewing the About section in the management portal.Affected if The installed version falls within 2.2.0.0 through 2.2.14.3 (versions prior to 2.2.15.0)
-
Confirm access to application server registration functionNavigate to the portal UI section for application server registration. This is typically found in the administration or configuration settings where new application servers are added to the IBM Spectrum Copy Data Management environment.Affected if The registration interface is accessible and accepts host address and port input fields
-
Verify portal accepts host address and port fieldsExamine the application server registration form in the portal UI. Look for input fields that accept hostname/IP address and port number without visible validation indicators such as whitelists or restricted input patterns.Affected if The form accepts arbitrary host addresses and port numbers without strict validation
-
Check for internal network exposureReview whether the system has network access to internal resources that could be targeted via SSRF. This includes internal services, databases, or management interfaces accessible from the application server.Affected if The application server has outbound network capabilities to internal infrastructure
A user is affected if their IBM Spectrum Copy Data Management installation is version 2.2.0.0 through 2.2.14.3 and the application server registration portal UI is accessible with host address and port input fields that lack strict validation.
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.
dbcve · scoped2.2.15.0
Implement strict input validation with whitelist-based allowlisting of permitted hostnames/IPs and port numbers for the application server registration form, and restrict outbound network connections from the application server to internal resources.
IBM Spectrum Copy Data Management 2.2.15.0 or later
- Schedule a maintenance window for the upgrade
- Backup the current IBM Spectrum Copy Data Management installation and configuration
- Download IBM Spectrum Copy Data Management version 2.2.15.0 or later from IBM Fix Central or your authorized IBM distribution channel
- Stop all IBM Spectrum Copy Data Management services
- Install the upgrade following IBM's standard upgrade procedures for Spectrum Copy Data Management
- Start the IBM Spectrum Copy Data Management services
- Verify the application server registration functionality works correctly
- Confirm the version by checking the About or Version information in the product UI
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation6.0 h
- Implementation12.0 h
- Testing10.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $8,928.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-39051 — 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-2021-39051 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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