Server-Side Template Injection in Apache Syncope by Apache
CVE-2020-1959

9.8CRITICAL

Key Information:

Vendor

Apache
Status
Apache Syncope
Vendor
CVE Published:
4 May 2020

What is CVE-2020-1959?

A flaw in Apache Syncope allows for Server-Side Template Injection, which can be exploited by attackers to insert arbitrary Java EL expressions. This potentially leads to unauthorized remote code execution, as the application does not properly validate input used in error message templates. Given that Syncope employs Java Bean Validation custom constraint validators, an attacker capable of injecting data into these templates can execute arbitrary Java code, compromising the security of the application.

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Affected Version(s)

Apache Syncope Apache Syncope 2.1.X releases prior to 2.1.6

References

http://syncope.apache.org/security
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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