CVE-2025-36161
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 Concert 1.0.0 through 2.0.0 could allow a remote attacker to obtain sensitive information, caused by the failure to properly enable HTTP Strict-Transport-Security. An attacker could exploit this vulnerability to obtain sensitive information using man in the middle techniques.
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 Concert versions 1.0.0 through 2.0.0 fail to properly enable HTTP Strict-Transport-Security (HSTS) headers, allowing attackers to perform man-in-the-middle attacks to intercept communications and obtain sensitive information.
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>= 1.0.0, < 2.1.0CVSS 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
- High
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:H/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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Check IBM Concert installed versionUse the product's version command or check the installation directory for version information (e.g., about, version, or license files)Affected if Version is 1.0.0 through 2.0.0 (anything >= 1.0.0 and < 2.1.0)
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Inspect HTTP response headersSend an HTTPS request to the IBM Concert web interface and inspect the response headers for the presence of Strict-Transport-SecurityAffected if The Strict-Transport-Security header is missing from HTTPS responses
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Check web server HSTS configurationExamine the IBM WebSphere (or underlying web server) configuration files for HSTS settings - look for the hsts-enabled flag or Strict-Transport-Security directive in the server configurationAffected if HSTS is not configured or is disabled in the web server configuration
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Verify protocol downgrade capabilityAttempt to access the site via HTTP (not HTTPS) and observe whether the server redirects to HTTPS or allows the plain HTTP connection to persistAffected if HTTP connections are allowed without forced redirect to HTTPS, indicating HSTS is not enforcing strict transport security
You are affected if IBM Concert version is between 1.0.0 and 2.0.0 and the Strict-Transport-Security header is not present in HTTPS responses or not configured on the web server.
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 · scoped2.1.0
Enable and configure HSTS headers on the IBM Concert web server (typically IBM WebSphere) to enforce HTTPS connections and prevent protocol downgrade attacks.
2.1.0 or later
- Review IBM Concert upgrade documentation before proceeding
- Back up all Concert configurations and data
- Upgrade IBM Concert to version 2.1.0 or later
- After upgrade, verify HSTS headers are properly enabled by inspecting HTTP responses from the server
- Confirm the Strict-Transport-Security header is present in server responses
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation2.0 h
- Testing1.0 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 $1,744.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-36161 — 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-2025-36161 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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