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TI-2021-10560 Aliases CVE-2021-29943GHSA-vf7p-j8x6-xvwp

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

Priority MEDIUM 47CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
Partial Red Hat: 4 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-863.

Summary

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.

Why it matters now

EPSS 0.04665 91st percentileScored 2026-11-07
Fix Partial Apache Solr (Apache Software Foundation): 8.8.2org.apache.solr:solr-parent (Maven): 8.8.2Red Hat: 4 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache SolrApache Solr to before 8.8.28.8.2Patch availableCNA
—org.apache.solr:solr-parent (Maven)before 8.8.28.8.2Patch availableGHSA-vf7p-j8x6-xvwp
  • Apache Solr VendorApache Affected Apache Solr to before 8.8.2 Fixed in 8.8.2 Patch available CNA
  • org.apache.solr:solr-parent (Maven) Vendor— Affected before 8.8.2 Fixed in 8.8.2 Patch available GHSA-vf7p-j8x6-xvwp

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:solr:*:*:*:*:*:*:*:*before 8.8.2VulnerableApache
  • cpe:2.3:a:apache:solr:*:*:*:*:*:*:*:* Versions before 8.8.2 Vulnerable ·Apache

Remediation

  • Fix · CNA Apache Solr (Apache Software Foundation) Fixed in 8.8.2
  • Fix · GHSA-vf7p-j8x6-xvwp org.apache.solr:solr-parent (Maven) Fixed in 8.8.2 Advisory →

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apache Solr 8.8.2

    3 records Highest priority Priority CRITICAL 1 CRITICAL, 2 MEDIUM

    Other records, highest priority first

    • TI-2021-09240 SSRF vulnerability with the Replication handlerPriority CRITICAL 86
    • TI-2021-10071 Misapplied Zookeeper ACLs can result in leakage of configured authentication and authorization settingsPriority MEDIUM 42
    Show all 3 records →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat JBoss Data Virtualization 6AffectedNo fix planned: Out of support scope
Red Hat JBoss Enterprise Application Platform 6AffectedNo fix planned: Out of support scope
Red Hat JBoss Fuse 6AffectedNo fix planned: Out of support scope
Red Hat JBoss Fuse Service Works 6AffectedNo fix planned: Out of support scope
Not affected: 3 products
  • Red Hat Fuse 7
  • Red Hat Integration Camel K 1
  • Red Hat JBoss Web Server 3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-29943
  2. 2026-10-03 Alias added: GHSA-vf7p-j8x6-xvwp

References

Advisory 3

Other 1

  • TI-2024-30303 Apache Solr: Authentication bypass possible using a fake URL Path ending CVSS 3.1CRITICAL 9.8
  • TI-2019-13101 Injection in Apache Solr KEVCVSS 3.1HIGH 7.5
  • TI-2019-00170 Code injection in Apache Solr KEVCVSS 3.1HIGH 7.2
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2021-09240 SSRF vulnerability with the Replication handler CVSS 3.1CRITICAL 9.8
  • TI-2017-09354 XML external entity injection in Apache Solr before 7.1 with Apache Lucene before 7.1 CVSS 3.1CRITICAL 9.8
See all 46 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences