CVE-2021-28170
5.3 · MEDIUMOverview
CVE-2021-28170 is a medium-severity vulnerability affecting eclipse jakarta_expression_language. It was published on May 26, 2021 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
In the Jakarta Expression Language implementation 3.0.3 and earlier, a bug in the ELParserTokenManager enables invalid EL expressions to be evaluated as if they were valid.
Remediation
Check the references section for vendor advisories and patches from eclipse. Update jakarta_expression_language 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 |
|---|---|---|---|
| eclipse | jakarta_expression_language | 0 | Affected |
| quarkus | quarkus | >= 0, < 2.3.0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-28170?
CVE-2021-28170 is a medium-severity vulnerability affecting eclipse jakarta_expression_language. It was published on May 26, 2021 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2021-28170?
This vulnerability has a CVSS 3.1 base score of 5.3, 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-2021-28170?
Check the references section for vendor advisories and patches from eclipse. Update jakarta_expression_language 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-2021-28170?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-28170 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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