CVE-2021-29943

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

Description

When using ConfigurableInternodeAuthHadoopPlugin for authentication, Apache Solr versions prior to 8.8.2 would forward/proxy distributed requests using server credentials instead of original client credentials. This would result in incorrect authorization resolution on the receiving hosts.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 5.77% Top 15%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Solr
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-29943?
CVE-2021-29943 has been scored as a critical severity vulnerability.
How to fix CVE-2021-29943?
To fix CVE-2021-29943, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-29943 being actively exploited in the wild?
It is possible that CVE-2021-29943 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-29943?
CVE-2021-29943 affects Apache Software Foundation Apache Solr.
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