Is CVE-2021-28170 actively exploited?

CVE-2021-28170 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-28170?

CVE-2021-28170 has a CVSS score of 5.3 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

How do I patch CVE-2021-28170?

Patch guidance is available from eclipse security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-28170.

CVE-2021-28170 - remediation guidance & executive summary

Q: Which products are affected by CVE-2021-28170?

4 products: eclipse jakarta expression language, quarkus quarkus, oracle communications cloud native core policy, oracle weblogic server.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: low
Availability: none
Weaknesses: CWE-20 · Improper Input Validation CWE-917

Metadata

Primary Vendor: ECLIPSE
Published: 5/26/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

eclipse : jakarta_expression_languagequarkus : quarkusoracle : communications_cloud_native_core_policyoracle : weblogic_server

Remediation Guidance

Executive Summary

View on NIST NVD