Misapplied Zookeeper ACLs can result in leakage of configured authentication and authorization settings
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · 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-522.
Summary
When starting Apache Solr versions prior to 8.8.2, configured with the SaslZkACLProvider or VMParamsAllAndReadonlyDigestZkACLProvider and no existing security.json znode, if the optional read-only user is configured then Solr would not treat that node as a sensitive path and would allow it to be readable. Additionally, with any ZkACLProvider, if the security.json is already present, Solr will not automatically update the ACLs.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache Solr | Apache Solr to before 8.8.2 | 8.8.2 | Patch available | CNA |
| — | org.apache.solr:solr-core (Maven) | before 8.8.2 | 8.8.2 | Patch available | GHSA-jgcr-fg3g-qvw8 |
- Apache Solr VendorApache Affected Apache Solr to before 8.8.2 Fixed in 8.8.2 Patch available CNA
- org.apache.solr:solr-core (Maven) Vendor— Affected before 8.8.2 Fixed in 8.8.2 Patch available GHSA-jgcr-fg3g-qvw8
Remediation
- Fix · CNA Apache Solr (Apache Software Foundation) Fixed in 8.8.2
- Fix · GHSA-jgcr-fg3g-qvw8 org.apache.solr:solr-core (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-2021-10560 Apache Solr Unprivileged users may be able to perform unauthorized read/write to collectionsPriority MEDIUM 47
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat JBoss Data Virtualization 6 | Affected | No fix planned: Out of support scope |
| Red Hat JBoss Enterprise Application Platform 6 | Affected | No fix planned: Out of support scope |
| Red Hat JBoss Fuse 6 | Affected | No fix planned: Out of support scope |
| Red Hat JBoss Fuse Service Works 6 | Affected | No 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
- 2026-10-02 Threatist record created from CVE-2021-29262
- 2026-10-03 Alias added: GHSA-jgcr-fg3g-qvw8
References
Advisory 3
Other 22
- [jackrabbit-oak-issues] 20210730 [jira] [Created] (OAK-9520) CVE-2021-29262 in oak-solr-osgi
- [jackrabbit-oak-issues] 20210730 [jira] [Assigned] (OAK-9520) CVE-2021-29262 in oak-solr-osgi
- [jackrabbit-oak-issues] 20210730 [jira] [Commented] (OAK-9520) CVE-2021-29262 in oak-solr-osgi
- [jackrabbit-dev] 20210730 [GitHub] [jackrabbit-oak] nit0906 opened a new pull request #334: OAK-9520 | Updating solr version to handle/fix CVE-2021-29262
- [jackrabbit-oak-issues] 20210730 [jira] [Updated] (OAK-9520) CVE-2021-29262 in oak-solr-osgi
- [jackrabbit-oak-issues] 20210730 [jira] [Resolved] (OAK-9520) CVE-2021-29262 in oak-solr-osgi
- [jackrabbit-oak-commits] 20210730 [jackrabbit-oak] branch trunk updated: OAK-9520 | Updating solr version to handle/fix CVE-2021-29262 (#334)
- [jackrabbit-dev] 20210730 [GitHub] [jackrabbit-oak] nit0906 merged pull request #334: OAK-9520 | Updating solr version to handle/fix CVE-2021-29262
- [jackrabbit-oak-issues] 20210730 [jira] [Commented] (OAK-9520) CVE-2021-29262 in oak-solr-osgi
- [jackrabbit-oak-issues] 20211006 [jira] [Updated] (OAK-9520) CVE-2021-29262 in oak-solr-osgi
- https://issues.apache.org/jira/browse/SOLR-15249
- https://lists.apache.org/thread.html/r1171f6417eeb6d5e1206d53e2b2ff2d6ee14026f8b595ef7d8a33b79@%3Coak-issues.jackrabbit.apache.org%3E
- https://lists.apache.org/thread.html/r1e92a2eff6c47a65c4a6e95e809a9707181de76f8062403a0bea1012@%3Coak-issues.jackrabbit.apache.org%3E
- https://lists.apache.org/thread.html/r51b29ff62060b67bc9999ded5e252b36b09311fe5a02d27f6de3e4d3@%3Coak-issues.jackrabbit.apache.org%3E
- https://lists.apache.org/thread.html/r7151081abab92a827a607205c4260b0a3d22280b52d15bc909177608@%3Coak-issues.jackrabbit.apache.org%3E
- https://lists.apache.org/thread.html/r8d35eeb9a470d2682b5bcf3be0b8942faa7e28f9ca5861c058d17fff@%3Coak-issues.jackrabbit.apache.org%3E
- https://lists.apache.org/thread.html/r9c4ce6903218c92ef2583070e64af5a69e483821c4b3016dc41e3c6f@%3Coak-issues.jackrabbit.apache.org%3E
- https://lists.apache.org/thread.html/rb6db683903174eaa44ec80cc118a38574319b0d4181f36b61ee6278f@%3Cdev.jackrabbit.apache.org%3E
- https://lists.apache.org/thread.html/rbc680cbfd745f22d182158217428a296e8e398cde16f3f428fe4bddc@%3Coak-issues.jackrabbit.apache.org%3E
- https://lists.apache.org/thread.html/rd85f87e559ee27e9c69795e3ad93a77621895e0328ea3df41d711d72@%3Coak-commits.jackrabbit.apache.org%3E
- https://lists.apache.org/thread.html/ref84e60192f4bdc3206b247f260513e8d4e71f3e200792f75386d07a@%3Cdev.jackrabbit.apache.org%3E
- https://security.netapp.com/advisory/ntap-20210604-0009
More Apache Solr vulnerabilities
- 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
Sources
- CVE-2021-29262 · CVE Program
- CVE-2021-29262 · NVD
- FIRST EPSS
- GHSA-jgcr-fg3g-qvw8 · GitHub Advisory Database · CC BY 4.0
- CVE-2021-29262 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences