CVE-2021-29943CWE-863

Apache Solr Unprivileged users may be able to perform unauthorized read/write to collections

published April 13, 2021

CVSS
—
EPSS
5%
Percentile
91.7
In the wild
Unconfirmed
What it is

⚠️ Oops! Apache Solr versions before 8.8.2 might hand over server credentials while processing requests — like a waiter serving up your private dining order instead of the chef's secret recipe! 🍽️ This vulnerability is like a restaurant where the server forgets who ordered what and brings every dish out under the chef's name instead. That mix-up can lead to the wrong people getting access to sensitive information, turning a cozy meal into a recipe for disaster! Because of this mishap, unauthorized users could potentially gain access to data or resources they shouldn't be allowed near. This would lead to incorrect authorization resolutions on receiving hosts, which is obviously a big no-no when it comes to keeping your data secure!

Put simply

This vulnerability is like a restaurant where the server forgets who ordered what and brings every dish out under the chef's name instead. That mix-up can lead to the wrong people getting access to sensitive information, turning a cozy meal into a recipe for disaster! The problem lies in the ConfigurableInternodeAuthHadoopPlugin, where it forwards requests using server credentials rather than the original client ones, causing a breach in proper authorization checks.

What to do

Because of this mishap, unauthorized users could potentially gain access to data or resources they shouldn't be allowed near. This would lead to incorrect authorization resolutions on receiving hosts, which is obviously a big no-no when it comes to keeping your data secure! To protect your system, upgrade to Apache Solr version 8.8.2 or later immediately. Review your current configurations to ensure proper authentication settings are in place. Don't forget to audit permissions on your Solr instances! You've got this! With a quick upgrade and a little attention to your configurations, you'll keep your data safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04665 · 91.7th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2021-04-13T06:35Z
EPSS history
Timeline
  • 13 APR 06:35Z
    Apache Solr Unprivileged users may be able to perform unauthorized read/write to collections
    cvelistv5