CVE-2019-12250
6.1 · MEDIUMOverview
CVE-2019-12250 is a medium-severity vulnerability affecting identityserver identityserver4. It was published on May 21, 2019 and has a CVSS 3.0 base score of 6.1 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
IdentityServer IdentityServer4 through 2.4 has stored XSS via the httpContext to the host/Extensions/RequestLoggerMiddleware.cs LogForErrorContext method, which can be triggered by viewing a log. NOTE: the software maintainer disputes that this is a vulnerability because the request logger is not part of IdentityServer but only our development test host
Remediation
Check the references section for vendor advisories and patches from identityserver. Update identityserver4 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| identityserver | identityserver4 | 0 | Affected |
Frequently Asked Questions
What is CVE-2019-12250?
CVE-2019-12250 is a medium-severity vulnerability affecting identityserver identityserver4. It was published on May 21, 2019 and has a CVSS 3.0 base score of 6.1 (MEDIUM).
How severe is CVE-2019-12250?
This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2019-12250?
Check the references section for vendor advisories and patches from identityserver. Update identityserver4 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2019-12250?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-12250 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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