CVE-2021-23922
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 Devolutions Remote Desktop Manager before 2020.2.12. There is a cross-site scripting (XSS) vulnerability in webviews.
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 confidenceCross-site scripting (XSS) vulnerability in webviews of Devolutions Remote Desktop Manager versions prior to 2020.2.12 allows execution of arbitrary JavaScript code in the context of the webview, potentially leading to session hijacking or data theft.
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< 2020.2.12.0CVSS 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
- Low
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/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.
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Locate the installed Remote Desktop Manager versionOpen the application and navigate to Help > About, or right-click the application icon and select About. The version number is displayed in the dialog window.Affected if The displayed version is lower than 2020.2.12.0 (for example, 2020.2.11.0, 2020.1.x, or earlier releases)
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Confirm the application is Devolutions Remote Desktop ManagerVerify the application name in the title bar or About dialog matches 'Remote Desktop Manager' from Devolutions.Affected if The application is Devolutions Remote Desktop Manager and the version is below 2020.2.12.0
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Identify if webview functionality is in useCheck whether the Remote Desktop Manager deployment uses web-based connections, embedded browsers, or web content rendering features (such as viewing web-based remote interfaces, using web portals, or displaying HTML content within the application).Affected if The application renders any web content in built-in webviews and the installed version is below 2020.2.12.0
A user is affected if they are running Devolutions Remote Desktop Manager with a version number lower than 2020.2.12.0 and the application is used to display web content in embedded webviews.
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 data2020.2.12.0
Upgrade to Remote Desktop Manager version 2020.2.12 or later. If upgrade is not immediately possible, restrict access to untrusted sources and validate/sanitize all content rendered in webviews.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-23922 — 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-2021-23922 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
- No spam, self-promotion, credentials, or personal data