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CRITICAL

A Server-Side Template Injection was identified in Apache Syncope prior to 2.1.6 enabling attackers to inject arbitrary Java EL expressions, leading to an unauthenticated Remote Code Execution (RCE) vulnerability

Published May 4, 2020

Description

A Server-Side Template Injection was identified in Apache Syncope prior to 2.1.6 enabling attackers to inject arbitrary Java EL expressions, leading to an unauthenticated Remote Code Execution (RCE) vulnerability. Apache Syncope uses Java Bean Validation (JSR 380) custom constraint validators. When building custom constraint violation error messages, they support different types of interpolation, including Java EL expressions. Therefore, if an attacker can inject arbitrary data in the error message template being passed, they will be able to run arbitrary Java code.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-917

Expression Language Injection

References (4)

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED
Assigner apache
Published May 4, 2020
Updated Aug 4, 2024
Reserved Dec 2, 2019
Link CVE-2020-1959

CISA Vulnrichment

No data

NVD

Status Modified
Modified Jun 17, 2026
Link CVE-2020-1959

Red Hat

No data

ENISA EUVD

Assigner apache
Published May 4, 2020
Updated Aug 4, 2024
Link EUVD-2021-1411

GitHub

Link GHSA-VJQW-R3WW-WJ2W