{"id":"CVE-2021-29262","aliases":["BIT-solr-2021-29262","EUVD-2021-1115","GHSA-jgcr-fg3g-qvw8","UBUNTU-CVE-2021-29262"],"status":"published","title":"Misapplied Zookeeper ACLs can result in leakage of configured authentication and authorization settings","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.06724,"percentile":0.93995,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-279","CWE-522"],"published":"2021-04-13T06:35:21Z","modified":"2026-10-24T10:30:43Z","fixes":[{"ecosystem":"Maven","package":"org.apache.solr:solr-core","fixed_in":["8.8.2"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"solr","fixed_in":["8.8.2"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.solr:solr-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.8.2"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"solr","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.8.2"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.solr:solr-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.8.2"}]}],"versions":["1.3.0","1.4.0","1.4.1","3.1.0","3.2.0","3.3.0","3.4.0","3.5.0","3.6.0","3.6.1","3.6.2","4.0.0","4.0.0-ALPHA","4.0.0-BETA","4.1.0","4.10.0","4.10.1","4.10.2","4.10.3","4.10.4","4.2.0","4.2.1","4.3.0","4.3.1","4.4.0","4.5.0","4.5.1","4.6.0","4.6.1","4.7.0","4.7.1","4.7.2","4.8.0","4.8.1","4.9.0","4.9.1","5.0.0","5.1.0","5.2.0","5.2.1","5.3.0","5.3.1","5.3.2","5.4.0","5.4.1","5.5.0","5.5.1","5.5.2","5.5.3","5.5.4","5.5.5","6.0.0","6.0.1","6.1.0","6.2.0","6.2.1","6.3.0","6.4.0","6.4.1","6.4.2","6.5.0","6.5.1","6.6.0","6.6.1","6.6.2","6.6.3","6.6.4","6.6.5","6.6.6","7.0.0","7.0.1","7.1.0","7.2.0","7.2.1","7.3.0","7.3.1","7.4.0","7.5.0","7.6.0","7.7.0","7.7.1","7.7.2","7.7.3","8.0.0","8.1.0","8.1.1","8.2.0","8.3.0","8.3.1","8.4.0","8.4.1","8.5.0","8.5.1","8.5.2","8.6.0","8.6.1","8.6.2","8.6.3","8.7.0","8.8.0","8.8.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"lucene-solr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.2+dfsg-1","3.6.2+dfsg-2","3.6.2+dfsg-2ubuntu0.1~esm1","3.6.2+dfsg-2ubuntu0.1~esm2","3.6.2+dfsg-2ubuntu0.1~esm4"]}],"products":[{"vendor":"apache","product":"solr"},{"vendor":"apache software foundation","product":"apache solr"}],"references":[{"url":"https://lists.apache.org/thread.html/r536da4c4e4e406f7843461cc754a3d0a3fe575aa576e2b71a9cd57d0%40%3Cannounce.apache.org%3E","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory","advisory","web","report"]},{"url":"https://security.netapp.com/advisory/ntap-20210604-0009/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.apache.org/thread.html/r51b29ff62060b67bc9999ded5e252b36b09311fe5a02d27f6de3e4d3%40%3Coak-issues.jackrabbit.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/r1171f6417eeb6d5e1206d53e2b2ff2d6ee14026f8b595ef7d8a33b79%40%3Coak-issues.jackrabbit.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/rbc680cbfd745f22d182158217428a296e8e398cde16f3f428fe4bddc%40%3Coak-issues.jackrabbit.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/rb6db683903174eaa44ec80cc118a38574319b0d4181f36b61ee6278f%40%3Cdev.jackrabbit.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/r1e92a2eff6c47a65c4a6e95e809a9707181de76f8062403a0bea1012%40%3Coak-issues.jackrabbit.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/r9c4ce6903218c92ef2583070e64af5a69e483821c4b3016dc41e3c6f%40%3Coak-issues.jackrabbit.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/rd85f87e559ee27e9c69795e3ad93a77621895e0328ea3df41d711d72%40%3Coak-commits.jackrabbit.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/ref84e60192f4bdc3206b247f260513e8d4e71f3e200792f75386d07a%40%3Cdev.jackrabbit.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/r7151081abab92a827a607205c4260b0a3d22280b52d15bc909177608%40%3Coak-issues.jackrabbit.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/r8d35eeb9a470d2682b5bcf3be0b8942faa7e28f9ca5861c058d17fff%40%3Coak-issues.jackrabbit.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29262","tags":["web","advisory"]},{"url":"https://issues.apache.org/jira/browse/SOLR-15249","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r1171f6417eeb6d5e1206d53e2b2ff2d6ee14026f8b595ef7d8a33b79@%3Coak-issues.jackrabbit.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r1e92a2eff6c47a65c4a6e95e809a9707181de76f8062403a0bea1012@%3Coak-issues.jackrabbit.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r51b29ff62060b67bc9999ded5e252b36b09311fe5a02d27f6de3e4d3@%3Coak-issues.jackrabbit.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r7151081abab92a827a607205c4260b0a3d22280b52d15bc909177608@%3Coak-issues.jackrabbit.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r9c4ce6903218c92ef2583070e64af5a69e483821c4b3016dc41e3c6f@%3Coak-issues.jackrabbit.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/rb6db683903174eaa44ec80cc118a38574319b0d4181f36b61ee6278f@%3Cdev.jackrabbit.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/rbc680cbfd745f22d182158217428a296e8e398cde16f3f428fe4bddc@%3Coak-issues.jackrabbit.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/rd85f87e559ee27e9c69795e3ad93a77621895e0328ea3df41d711d72@%3Coak-commits.jackrabbit.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/ref84e60192f4bdc3206b247f260513e8d4e71f3e200792f75386d07a@%3Cdev.jackrabbit.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r8d35eeb9a470d2682b5bcf3be0b8942faa7e28f9ca5861c058d17fff@%3Coak-issues.jackrabbit.apache.org%3E","tags":["web"]},{"url":"https://github.com/advisories/GHSA-jgcr-fg3g-qvw8"},{"url":"https://security.netapp.com/advisory/ntap-20210604-0009","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2021-29262","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-29262","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-29262","title":"Misapplied Zookeeper ACLs can result in leakage of configured authentication and authorization settings","description":"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.","status":"published","published":"2021-04-13T06:35:21Z","modified":"2024-08-03T22:02:51.423Z","cwes":["CWE-522"],"updated_at":"2026-11-02T14:33:06.658806Z"}],"euvd":[{"id":"EUVD-2021-1115","description":"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.","status":"published","published":"2021-04-13T06:35:21Z","modified":"2024-08-03T22:02:51Z","updated_at":"2026-11-03T03:24:45.541615Z"}],"ghsa":[{"id":"GHSA-jgcr-fg3g-qvw8","title":"Improper permission handling in Apache Solr","description":"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.","status":"published","published":"2021-05-10T15:18:17Z","modified":"2023-02-01T05:05:35Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-279","CWE-522"],"updated_at":"2026-11-02T14:36:34.917834Z"}],"nvd":[{"id":"CVE-2021-29262","description":"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.","status":"published","published":"2021-04-13T07:15:12.247Z","modified":"2026-06-17T03:47:28.05Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:06:51.610648Z"}],"osv":[{"id":"CVE-2021-29262","description":"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.","status":"published","published":"2021-04-13T07:15:12.247Z","modified":"2026-10-24T10:30:43.684395635Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:19.129331Z"},{"id":"GHSA-jgcr-fg3g-qvw8","title":"Improper permission handling in Apache Solr","description":"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.","status":"published","published":"2021-05-10T15:18:17Z","modified":"2024-02-17T05:32:44.599619Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-279","CWE-522"],"updated_at":"2026-11-02T15:46:50.336262Z"},{"id":"UBUNTU-CVE-2021-29262","description":"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.","status":"published","published":"2021-04-13T07:15:00Z","modified":"2025-09-08T16:47:05Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:26.779273Z"},{"id":"BIT-solr-2021-29262","title":"Misapplied Zookeeper ACLs can result in leakage of configured authentication and authorization settings","description":"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.","status":"published","published":"2024-03-06T11:06:30.482Z","modified":"2026-09-08T08:48:19.341032408Z","updated_at":"2026-11-02T15:28:35.111822Z"}]}}