CVE-2022-25898
7.7 · HIGHOverview
CVE-2022-25898 is a high-severity vulnerability affecting kjur jsrsasign. It was published on July 1, 2022 and has a CVSS 3.1 base score of 7.7 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
The package jsrsasign before 10.5.25 are vulnerable to Improper Verification of Cryptographic Signature when JWS or JWT signature with non Base64URL encoding special characters or number escaped characters may be validated as valid by mistake. Workaround: Validate JWS or JWT signature if it has Base64URL and dot safe string before executing JWS.verify() or JWS.verifyJWT() method.
Remediation
Check the references section for vendor advisories and patches from kjur. Update jsrsasign 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 |
|---|---|---|---|
| kjur | jsrsasign | >= 4.8.0, < 10.5.25 | Affected |
References
Frequently Asked Questions
What is CVE-2022-25898?
CVE-2022-25898 is a high-severity vulnerability affecting kjur jsrsasign. It was published on July 1, 2022 and has a CVSS 3.1 base score of 7.7 (HIGH).
How severe is CVE-2022-25898?
This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2022-25898?
Check the references section for vendor advisories and patches from kjur. Update jsrsasign 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-2022-25898?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-25898 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.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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