#VU47626 Protection Mechanism Failure in Apache Solr - CVE-2020-13957

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Main Vulnerability Database Vulnerabilities #VU47626

#VU47626 Protection Mechanism Failure in Apache Solr - CVE-2020-13957

Published: October 13, 2020 / Updated: May 9, 2021


Vulnerability identifier: #VU47626
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2020-13957
CWE-ID: CWE-693
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
Apache Solr
Software vendor:
Apache Foundation

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient implementation of security measures, configured in a ConfigSet that's uploaded via API without authentication/authorization. The checks in place to prevent such features can be circumvented by using a combination of UPLOAD/CREATE actions. A remote non-authenticated attacker can upload a specially crafted configuration and execute arbitrary code on the system.


Remediation

Install updates from vendor's website.

External links