CVE-2022-20637
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 · uneditedMultiple vulnerabilities in the web-based management interface of Cisco Security Manager could allow an unauthenticated, remote attacker to conduct cross-site scripting attacks against a user of the interface. These vulnerabilities are due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit these vulnerabilities by persuading a user to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive, browser-based information.
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 confidenceMultiple cross-site scripting (XSS) vulnerabilities exist in Cisco Security Manager's web-based management interface due to insufficient validation of user-supplied input. An unauthenticated remote attacker can exploit these by tricking a user into clicking a crafted link, allowing execution of arbitrary script code in the browser context or access to sensitive browser-based 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< 4.24CVSS 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
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/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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Confirm Cisco Security Manager installationIdentify whether Cisco Security Manager software is installed on the system by checking for related processes, services, or installed applications using standard system inventory toolsAffected if Cisco Security Manager is present on the system
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Determine installed versionLocate and retrieve the installed version of Cisco Security Manager, typically available through the software's about section, built-in version command, or installation directory metadataAffected if The installed version is lower than 4.24 (any version < 4.24 is affected)
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Verify web-based management interface is accessibleConfirm that the Security Manager web interface (typically accessible via browser on configured ports) is enabled and reachable on the network or locallyAffected if The web management interface is exposed and accessible, as this is where the XSS vulnerability exists
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Identify user access to web interfaceDetermine if any users have access to or authenticate to the Cisco Security Manager web interface, since exploitation requires tricking a user into clicking a crafted linkAffected if Users access the web interface, as the attacker must induce a user to click a malicious link for XSS execution
You are affected if Cisco Security Manager is installed with a version below 4.24 and the web-based management interface is accessible to users who could be targeted with crafted links.
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 · scoped4.24
Apply vendor patches when available; in the interim, implement Content Security Policy (CSP) headers and educate users to avoid clicking untrusted links. Review and sanitize all user input fields in the web interface.
Cisco Security Manager 4.24 or later
- Verify current Cisco Security Manager version by accessing the application
- Download Cisco Security Manager version 4.24 or later from the Cisco Software Download Center
- Review Cisco Security Manager upgrade documentation for your specific deployment type
- Perform a backup of the current configuration and database
- Execute the upgrade following Cisco's documented upgrade procedure
- After upgrade, verify the application is operational and test that the XSS vulnerability is resolved
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation6.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-20637 — 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-2022-20637 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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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