CVE-2020-15776
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 · uneditedAn issue was discovered in Gradle Enterprise 2018.2 - 2020.2.4. The CSRF prevention token is stored in a request cookie that is not annotated as HttpOnly. An attacker with the ability to execute arbitrary code in a user's browser could impose an arbitrary value for this token, allowing them to perform cross-site request forgery.
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 confidenceThe CSRF prevention token in Gradle Enterprise is stored in a request cookie that lacks the HttpOnly attribute. This allows JavaScript code (via XSS) to read or manipulate the CSRF token value, enabling an attacker to perform cross-site request forgery attacks by forcing users to execute unwanted authenticated requests.
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>= 2018.2, <= 2020.2.4CVSS 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
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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 Gradle Enterprise versionLocate the installed Gradle Enterprise version through the admin UI (typically at /about) or by checking the installation directory for version filesAffected if Version is between 2018.2 and 2020.2.4 inclusive
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Verify CSRF cookie configurationLog into Gradle Enterprise, open browser developer tools (F12), go to the Network or Application tab, perform an authenticated action, and inspect the cookies set by the application. Look for a cookie containing 'csrf' or token-related valuesAffected if The CSRF-related cookie exists but does not have the HttpOnly attribute set in its headers
You are affected if your Gradle Enterprise version is between 2018.2 and 2020.2.4 and the CSRF token cookie is missing the HttpOnly flag.
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 dataApply the HttpOnly flag to the CSRF token cookie to prevent JavaScript access. This is typically done in the application server configuration or code that sets the cookie.
- Consultation2.0 h
- Implementation2.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2020-15776 — 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-2020-15776 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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