CVE-2021-34427CWE-20

In Eclipse BIRT versions 4.8.0 and earlier, an attacker can use query parameters to create a JSP file which is accessible from remote (current BIRT viewer dir)…

published June 25, 2021

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.1th percentile for exploit probability.

CVSS
—
EPSS
58%
Percentile
99.1
In the wild
Unconfirmed
What it is

⚠️ A crafty attacker can whip up JSP files like an artist with a blank canvas! In Eclipse BIRT versions 4.8.0 and earlier, malicious query parameters can inject code into the active instance. 🎨 Think of it like a diner sneaking a recipe into the kitchen. Without the chef checking the order, a rogue ingredient could turn a delightful dish into a disaster! If exploited, an attacker could unleash malicious JSP code, leading to unauthorized actions on the server — imagine someone slipping a note into the chef's order pad that says to serve something you definitely didn’t want! This could compromise your application’s integrity and security.

Put simply

Think of it like a diner sneaking a recipe into the kitchen. Without the chef checking the order, a rogue ingredient could turn a delightful dish into a disaster! This vulnerability in Eclipse BIRT allows attackers to manipulate query parameters to create JSP files that are accessible from the remote viewer directory, enabling them to execute arbitrary JSP code in the running instance.

What to do

If exploited, an attacker could unleash malicious JSP code, leading to unauthorized actions on the server — imagine someone slipping a note into the chef's order pad that says to serve something you definitely didn’t want! This could compromise your application’s integrity and security. To safeguard your instance, upgrade to Eclipse BIRT version 4.8.1 or later. Regularly audit your configurations and implement strict input validation to block any unauthorized query parameters. This is fixable! Stay vigilant, apply those updates, and you’ll have your systems secured in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.57982 · 99.1th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2021-06-25T00:00Z
EPSS history
Timeline
  • 25 JUN 00:00Z
    In Eclipse BIRT versions 4.8.0 and earlier, an attacker can use query parameters to create a JSP file which is accessible from remote (current BIRT viewer dir)…
    cvelistv5