#VU52061 Improper Authorization in Apache Solr - CVE-2021-29943
Published: April 13, 2021
Vulnerability identifier: #VU52061
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2021-29943
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Apache Solr
Apache Solr
Software vendor:
Apache Foundation
Apache Foundation
Description
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.
Remediation
Install updates from vendor's website.