CVE-2020-1959

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…

published May 4, 2020

CVSS
—
EPSS
5%
Percentile
92.2
In the wild
Unconfirmed
What it is

🚨 An unauthenticated remote code execution (RCE) vulnerability lurks in Apache Syncope that could let attackers inject arbitrary Java EL expressions. 🔥 Think of it like a restaurant where anyone can walk in and change the chef's special on the menu without any verification — if they manage to slip in a prank ingredient, they could end up serving a dish no one can resist but is dangerously unapproved! An attacker could potentially execute any Java code on the server, completely compromising the system, leading to data breach, destruction, or manipulation. This could be absolutely devastating for any organization relying on Apache Syncope for identity management.

Put simply

Think of it like a restaurant where anyone can walk in and change the chef's special on the menu without any verification — if they manage to slip in a prank ingredient, they could end up serving a dish no one can resist but is dangerously unapproved! This vulnerability arises due to insufficient validation when constructing error message templates that support Java EL expressions. If an attacker can manipulate these templates, they can execute arbitrary Java code on the server.

What to do

An attacker could potentially execute any Java code on the server, completely compromising the system, leading to data breach, destruction, or manipulation. This could be absolutely devastating for any organization relying on Apache Syncope for identity management. Patch Apache Syncope to version 2.1.6 or later immediately to close this vulnerability. Additionally, review your error message templates to ensure they do not allow for arbitrary data injection. Implement strict input validation wherever possible. You've got this! Follow these steps, and you'll be back in the secure zone in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04982 · 92.2th percentile
Published
2020-05-04T12:25Z
EPSS history
Timeline
  • 04 MAY 12:25Z
    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…
    cvelistv5