CVE-2016-5431
7.5 · HIGHOverview
CVE-2016-5431 is a high-severity vulnerability affecting php_jose_project php_jose. It was published on August 7, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
The PHP JOSE Library by Gree Inc. before version 2.2.1 is vulnerable to key confusion/algorithm substitution in the JWS component resulting in bypassing the signature verification via crafted tokens.
Remediation
Check the references section for vendor advisories and patches from php_jose_project. Update php_jose 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 |
|---|---|---|---|
| php_jose_project | php_jose | >= 0, < 2.2.1 | Affected |
Frequently Asked Questions
What is CVE-2016-5431?
CVE-2016-5431 is a high-severity vulnerability affecting php_jose_project php_jose. It was published on August 7, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2016-5431?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2016-5431?
Check the references section for vendor advisories and patches from php_jose_project. Update php_jose 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-2016-5431?
CyberStrike's AI-powered security agents can automatically detect CVE-2016-5431 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.
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