Vulnerability · Published Apr 13, 2021 · Assigned by apache
CVE-2021-29943Apache Solr Unprivileged users may be able to perform unauthorized read/write to collections
Critical 9.1
In plain English
A critical-severity incorrect authorization in Apache Solr from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.7% (higher than 92% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.1Critical
Exploit odds (30 days)4.7%top 8.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.apache.solr:solr-parent | 8.8.2 | GHSA-vf7p-j8x6-xvwp |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Solr | Apache Solr – before 8.8.2 |
Weakness: CWE-863