PT-2020-6435

CVE-2021-28170

Published

2020-04-14

Updated

2022-04-25

Description by

CVSS 3.1

5.3

Medium

MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Jakarta Expression Language implementation version 3.0.3 and earlier

Description The issue is related to a bug in the ELParserTokenManager function of the Jakarta Expression Language implementation, which allows invalid EL expressions to be evaluated as if they were valid. This can potentially enable a remote attacker to impact data integrity by exploiting the vulnerability.

Recommendations For Jakarta Expression Language implementation version 3.0.3 and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploitability

Exploit

Impacts

Vendors

Affected products

Weakness enumeration

CWE-917: Improper Neutralization of Special Elements used in an Expression Language Statement (\'Expression Language Injection\')

CWE-20: Improper Input Validation

Related identifiers

CVE-2021-28170

BDU:2021-04679

GHSA-V6W3-2PRQ-H95F