CVE-2021-23365
4.8 · MEDIUMOverview
CVE-2021-23365 is a medium-severity vulnerability affecting tyk tyk-identity-broker. It was published on April 26, 2021 and has a CVSS 3.1 base score of 4.8 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
The package github.com/tyktechnologies/tyk-identity-broker before 1.1.1 are vulnerable to Authentication Bypass via the Go XML parser which can cause SAML authentication bypass. This is because the XML parser doesn’t guarantee integrity in the XML round-trip (encoding/decoding XML data).
Remediation
Check the references section for vendor advisories and patches from tyk. Update tyk-identity-broker 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 |
|---|---|---|---|
| tyk | tyk-identity-broker | >= 0, < 1.1.1 | Affected |
References
Frequently Asked Questions
What is CVE-2021-23365?
CVE-2021-23365 is a medium-severity vulnerability affecting tyk tyk-identity-broker. It was published on April 26, 2021 and has a CVSS 3.1 base score of 4.8 (MEDIUM).
How severe is CVE-2021-23365?
This vulnerability has a CVSS 3.1 base score of 4.8, 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-2021-23365?
Check the references section for vendor advisories and patches from tyk. Update tyk-identity-broker 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-2021-23365?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-23365 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
AI agents map your attack surface to find vulnerabilities like this one.
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