# CVE-2020-13957: Incorrect Authorization in Apache Solr

Source: https://junglewise.ai/threats/cve-2020-13957-incorrect-authorization-in-apache-solr  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-02-10  
License: CC BY 4.0 with a link back

CVE-2020-13957 · Severity: low · CVSS 3.1 · Published 2022-02-10

Incorrect Authorization in Apache Solr

Technologies: [org.apache.solr:solr-core (Maven)](https://junglewise.ai/threats/technologies/org-apache-solr-solr-core), [org.apache.solr:solr-parent (Maven)](https://junglewise.ai/threats/technologies/org-apache-solr-solr-parent). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2020-13957 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2020-13957 being exploited in the wild.

**How severe is CVE-2020-13957?** Low severity, with a CVSS score of 3.1, published 10 February 2022.

**Which products and versions are affected?** org.apache.solr:solr-core (Maven) ECOSYSTEM:introduced=6.6.0,fixed=8.6.3; org.apache.solr:solr-parent (Maven) ECOSYSTEM:introduced=6.6.0,fixed=8.6.3; org.apache.solr:solr-solrj (Maven) ECOSYSTEM:introduced=6.6.0,fixed=8.6.3.

**Is there a fix for CVE-2020-13957?** Yes. org.apache.solr:solr-core (Maven): upgrade to 8.6.3 or later; org.apache.solr:solr-parent (Maven): upgrade to 8.6.3 or later; org.apache.solr:solr-solrj (Maven): upgrade to 8.6.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2020-13957?** Check whether you run org.apache.solr:solr-core (Maven), org.apache.solr:solr-parent (Maven) or org.apache.solr:solr-solrj (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- org.apache.solr:solr-core (Maven): upgrade to 8.6.3 or later

  ```sh
  # set org.apache.solr:solr-core to 8.6.3 in your pom.xml or build.gradle
  ```

- org.apache.solr:solr-parent (Maven): upgrade to 8.6.3 or later

  ```sh
  # set org.apache.solr:solr-parent to 8.6.3 in your pom.xml or build.gradle
  ```

- org.apache.solr:solr-solrj (Maven): upgrade to 8.6.3 or later

  ```sh
  # set org.apache.solr:solr-solrj to 8.6.3 in your pom.xml or build.gradle
  ```


## Affected products

- org.apache.solr:solr-core (Maven) ECOSYSTEM:introduced=6.6.0,fixed=8.6.3
- org.apache.solr:solr-parent (Maven) ECOSYSTEM:introduced=6.6.0,fixed=8.6.3
- org.apache.solr:solr-solrj (Maven) ECOSYSTEM:introduced=6.6.0,fixed=8.6.3

## Identifiers

- CVE-2020-13957
- GHSA-3c7p-vv5r-cmr5

## Related threats

- [Apache Solr hardcoded credentials in Basic Authentication setup tool](https://junglewise.ai/threats/cve-2026-44825-apache-solr-hardcoded-credentials-in-basic-authentication-setup)
- [Apache Solr: Unauthorized bypass of certain "predefined permission" rules in the RuleBasedAuthorizationPlugin](https://junglewise.ai/threats/cve-2026-22022-apache-solr-unauthorized-bypass-of-certain-predefined-permission)
- [Apache Solr: Insufficient file-access checking in standalone core-creation requests](https://junglewise.ai/threats/cve-2026-22444-apache-solr-insufficient-file-access-checking-in-standalone-core)
- [Apache Solr vulnerable to Execution with Unnecessary Privileges](https://junglewise.ai/threats/cve-2025-24814-apache-solr-vulnerable-to-execution-with-unnecessary-privileges)
- [Apache Solr Relative Path Traversal vulnerability](https://junglewise.ai/threats/cve-2024-52012-apache-solr-relative-path-traversal-vulnerability)