## CVE-2021-28170 - Medium Severity Vulnerability

Vulnerable Library - jakarta.el-4.0.1.jar

Jakarta Expression Language Implementation

Library home page: https://projects.eclipse.org/projects/ee4j.el

Path to dependency file: object-mappers-playground/modules/objectmappers-bull/pom.xml

Path to vulnerable library: /home/wss-scanner/.m2/repository/org/glassfish/jakarta.el/4.0.1/jakarta.el-4.0.1.jar

Dependency Hierarchy: - bull-common-1.7.7.jar (Root Library) - :x: **jakarta.el-4.0.1.jar** (Vulnerable Library)

Found in HEAD commit: 06a977f11db83e74abeb317397aa479b954b5509

Vulnerability Details

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.

Publish Date: 2021-05-26

URL: CVE-2021-28170

CVSS 3 Score Details (5.3)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: Low - Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://securitylab.github.com/advisories/GHSL-2020-021-jakarta-el/

Release Date: 2021-05-26

Fix Resolution: org.glassfish:jakarta.el:3.0.3.jbossorg-3, 3.0.4

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CVE-2021-28170 (Medium) detected in jakarta.el-4.0.1.jar - autoclosed #251

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