Improper Authorization in Apache Solr - CVE-2021-29943
Published: April 13, 2021
Vulnerability identifier: #VU52061
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-29943
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to gain access to otherwise restricted functionality.
The vulnerability exists in ConfigurableInternodeAuthHadoopPlugin implementation. Apache Solr forwards distributed requests using server credentials instead of original client credentials. A remote user can abuse such behavior to gain access to otherwise restricted functionality.
Affected software
Apache Solr
How to mitigate CVE-2021-29943
Install updates from vendor's website.
Apache Solr - update to 8.8.2