--- title: "CVE-2021-34429: Eclipse Jetty vulnerability | CubePath" description: "For Eclipse Jetty versions 9.4.37-9.4.42, 10.0.1-10.0.5 & 11.0.1-11.0.5, URIs can be crafted using some encoded characters to access the content…" language: en source: https://cubepath.com/security/cve/CVE-2021-34429 --- # CVE-2021-34429: Eclipse Jetty vulnerability | CubePath ## Description For Eclipse Jetty versions 9.4.37-9.4.42, 10.0.1-10.0.5 & 11.0.1-11.0.5, URIs can be crafted using some encoded characters to access the content of the WEB-INF directory and/or bypass some security constraints. This is a variation of the vulnerability reported in CVE-2021-28164/GHSA-v7ff-8wcx-gmc5. Official description from the CVE record, published by eclipse. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2021-34429) ## Key data ### CVSS 3.1 Medium 5.3 Score published by eclipse in the CVE record. CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | Metric | Value | What it means | | ---------------------- | --------- | ----------------------------------------------------------------------------------- | | Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. | | Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. | | Privileges required | None | No account or privileges are needed. | | User interaction | None | No action from any user is needed. | | Scope | Unchanged | The impact stays within the vulnerable component. | | Confidentiality impact | Low | Limited effect on the secrecy of data. | | Integrity impact | None | No effect on the trustworthiness of data. | | Availability impact | None | No effect on availability. | CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) . ### EPSS Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days. Score 0.99330 (99.3% probability) Percentile 99.9% Scores of Nov 10, 2026 Model v2026.06.15 ### Weakness (CWE) CWE catalog version 5.0. CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license. - [CWE-200](https://cwe.mitre.org/data/definitions/200.html) Exposure of Sensitive Information to an Unauthorized Actor - [CWE-551](https://cwe.mitre.org/data/definitions/551.html) Incorrect Behavior Order: Authorization Before Parsing and Canonicalization ## Affected products Products listed in the CVE record, as the CNA published them. - Eclipse Jetty - affected: 9.4.37 up to before unspecified - affected: unspecified up to 9.4.42 - affected: 10.0.1 up to before unspecified - affected: unspecified up to 10.0.5 - affected: 11.0.1 up to before unspecified - affected: unspecified up to 11.0.5 ## References Links listed in the CVE record. They lead to other sites, which CubePath does not control. - [github.com/eclipse/jetty.project/security/advisories/GHSA-v…](https://github.com/eclipse/jetty.project/security/advisories/GHSA-vjv5-gp2w-65vm) - [\[zookeeper-issues\] 20210728 \[jira\] \[Updated\] (ZOOKEEPER-4337) CVE-2021-34429 in jetty 9.4.38.v20210224 in zookeeper 3.7.0](https://lists.apache.org/thread.html/r7dd079fa0ac6f47ba1ad0af98d7d0276547b8a4e005f034fb1016951%40%3Cissues.zookeeper.apache.org%3E) (lists.apache.org) mailing-list - [\[zookeeper-issues\] 20210728 \[jira\] \[Created\] (ZOOKEEPER-4337) CVE-2021-34429 in jetty 9.4.38.v20210224 in zookeeper 3.7.0](https://lists.apache.org/thread.html/r90e7b4c42a96d74c219e448bee6a329ab0cd3205c44b63471d96c3ab%40%3Cissues.zookeeper.apache.org%3E) (lists.apache.org) mailing-list - [\[zookeeper-dev\] 20210728 \[jira\] \[Created\] (ZOOKEEPER-4337) CVE-2021-34429 in jetty 9.4.38.v20210224 in zookeeper 3.7.0](https://lists.apache.org/thread.html/r763840320a80e515331cbc1e613fa93f25faf62e991974171a325c82%40%3Cdev.zookeeper.apache.org%3E) (lists.apache.org) mailing-list - [\[zookeeper-issues\] 20210805 \[jira\] \[Assigned\] (ZOOKEEPER-4337) CVE-2021-34429 in jetty 9.4.38.v20210224 in zookeeper 3.7.0](https://lists.apache.org/thread.html/r2a3ea27cca2ac7352d392b023b72e824387bc9ff16ba245ec663bdc6%40%3Cissues.zookeeper.apache.org%3E) (lists.apache.org) mailing-list - [\[zookeeper-issues\] 20210805 \[jira\] \[Updated\] (ZOOKEEPER-4337) CVE-2021-34429 in jetty 9.4.38.v20210224 in zookeeper 3.7.0](https://lists.apache.org/thread.html/r8e6c116628c1277c3cf132012a66c46a0863fa2a3037c0707d4640d4%40%3Cissues.zookeeper.apache.org%3E) (lists.apache.org) mailing-list - [\[zookeeper-notifications\] 20210805 \[GitHub\] \[zookeeper\] ztzg opened a new pull request #1734: ZOOKEEPER-4337: Bump jetty to 9.4.43.v20210629 (avoids CVE-2021-34429)](https://lists.apache.org/thread.html/r029c0c6833c8bb6acb094733fd7b75029d633f47a92f1c9d14391fc0%40%3Cnotifications.zookeeper.apache.org%3E) (lists.apache.org) mailing-list - [\[zookeeper-notifications\] 20210805 \[GitHub\] \[zookeeper\] ztzg commented on pull request #1734: ZOOKEEPER-4337: Bump jetty to 9.4.43.v20210629 (avoids CVE-2021-34429)](https://lists.apache.org/thread.html/r46f748c1dc9cf9b6c1c18f6b5bfc3a869907f68f72e17666f2f30f24%40%3Cnotifications.zookeeper.apache.org%3E) (lists.apache.org) mailing-list - [\[pulsar-commits\] 20210813 \[GitHub\] \[pulsar\] eolivelli opened a new issue #11659: Jetty is flagged with CVE-2021-34429](https://lists.apache.org/thread.html/rc26807be68748b3347decdcd03ae183622244b0b4cb09223d4b7e500%40%3Ccommits.pulsar.apache.org%3E) (lists.apache.org) mailing-list - [\[pulsar-commits\] 20210813 \[GitHub\] \[pulsar\] lhotari opened a new pull request #11660: \[Security\] Upgrade Jetty to 9.4.43.v20210629](https://lists.apache.org/thread.html/rb33d65c3e5686f2e3b9bb8a032a44163b2f2ad9d31a8727338f213c1%40%3Ccommits.pulsar.apache.org%3E) (lists.apache.org) mailing-list - [\[pulsar-commits\] 20210813 \[GitHub\] \[pulsar\] eolivelli closed issue #11659: Jetty is flagged with CVE-2021-34429](https://lists.apache.org/thread.html/r9e6158d72ef25077c2dc59fbddade2eacf7d259a2556c97a989f2fe8%40%3Ccommits.pulsar.apache.org%3E) (lists.apache.org) mailing-list - [\[santuario-dev\] 20210817 \[GitHub\] \[santuario-xml-security-java\] dependabot\[bot\] opened a new pull request #52: Bump jetty.version from 9.4.42.v20210604 to 9.4.43.v20210629](https://lists.apache.org/thread.html/r3aefe613abce594c71ace50088d2529bbde65d08b8e7ff2c2723aaa1%40%3Cdev.santuario.apache.org%3E) (lists.apache.org) mailing-list - [\[kafka-jira\] 20210817 \[jira\] \[Updated\] (KAFKA-13209) Upgrade jetty-server to fix CVE-2021-34429](https://lists.apache.org/thread.html/r6e6f50c1ce1fb592cb43e913f5be23df104d50751465f8f1952ace0c%40%3Cjira.kafka.apache.org%3E) (lists.apache.org) mailing-list - [\[kafka-jira\] 20210817 \[GitHub\] \[kafka\] jolshan opened a new pull request #11224: KAFKA-13209: Upgrade jetty-server to fix CVE-2021-34429](https://lists.apache.org/thread.html/r46900f74dbb7d168aeac43bf0e7f64825376bb7eb74d31a5b33344ce%40%3Cjira.kafka.apache.org%3E) (lists.apache.org) mailing-list - [\[kafka-jira\] 20210817 \[GitHub\] \[kafka\] omkreddy merged pull request #11224: KAFKA-13209: Upgrade jetty-server to fix CVE-2021-34429](https://lists.apache.org/thread.html/r679d96f981d4c92724090ed2d5e8565a1d655a72bb315550489f052e%40%3Cjira.kafka.apache.org%3E) (lists.apache.org) mailing-list - [\[kafka-commits\] 20210817 \[kafka\] branch 2.8 updated: KAFKA-13209: Upgrade jetty-server to fix CVE-2021-34429](https://lists.apache.org/thread.html/r02f940c27e997a277ff14e79e84551382e1081e8978b417e0c2b0857%40%3Ccommits.kafka.apache.org%3E) (lists.apache.org) mailing-list - [\[kafka-commits\] 20210817 \[kafka\] branch 2.7 updated: KAFKA-13209: Upgrade jetty-server to fix CVE-2021-34429](https://lists.apache.org/thread.html/r9d245c6c884bbc804a472116d730c1a01676bf24f93206a34923fc64%40%3Ccommits.kafka.apache.org%3E) (lists.apache.org) mailing-list - [\[kafka-commits\] 20210817 \[kafka\] branch 3.0 updated: KAFKA-13209: Upgrade jetty-server to fix CVE-2021-34429](https://lists.apache.org/thread.html/r756443e9d50af7e8c3df82e2c45105f452c8e8195ddbc0c00f58d5fe%40%3Ccommits.kafka.apache.org%3E) (lists.apache.org) mailing-list - [\[kafka-jira\] 20210817 \[jira\] \[Resolved\] (KAFKA-13209) Upgrade jetty-server to fix CVE-2021-34429](https://lists.apache.org/thread.html/re5e9bb535db779506013ef8799dc2a299e77cdad6668aa94c456dba6%40%3Cjira.kafka.apache.org%3E) (lists.apache.org) mailing-list - [\[kafka-dev\] 20210817 \[jira\] \[Resolved\] (KAFKA-13209) Upgrade jetty-server to fix CVE-2021-34429](https://lists.apache.org/thread.html/r4727d282b5c2d951057845a46065d59f6e33132edc0a14f41c26b01e%40%3Cdev.kafka.apache.org%3E) (lists.apache.org) mailing-list - [\[kafka-jira\] 20210817 \[jira\] \[Assigned\] (KAFKA-13209) Upgrade jetty-server to fix CVE-2021-34429](https://lists.apache.org/thread.html/re01890eef49d4201018f2c97e26536e3e75f441ecdbcf91986c3bc17%40%3Cjira.kafka.apache.org%3E) (lists.apache.org) mailing-list - [\[kafka-jira\] 20210818 \[GitHub\] \[kafka\] jolshan opened a new pull request #11224: KAFKA-13209: Upgrade jetty-server to fix CVE-2021-34429](https://lists.apache.org/thread.html/re3de01414ccf682fe0951205f806dd8e94440798fd64c55a4941de3e%40%3Cjira.kafka.apache.org%3E) (lists.apache.org) mailing-list - [\[kafka-jira\] 20210818 \[GitHub\] \[kafka\] omkreddy merged pull request #11224: KAFKA-13209: Upgrade jetty-server to fix CVE-2021-34429](https://lists.apache.org/thread.html/r74fdc446df551fe89a0a16957a1bfdaad19380e0c1afd30625685a9c%40%3Cjira.kafka.apache.org%3E) (lists.apache.org) mailing-list - [\[zookeeper-notifications\] 20210825 \[GitHub\] \[zookeeper\] ztzg commented on pull request #1734: ZOOKEEPER-4337: Bump jetty to 9.4.43.v20210629 (avoids CVE-2021-34429)](https://lists.apache.org/thread.html/r5678d994d4dd8e7c838eed3bbc1a83a7f6bc62724b0cce67e8892a45%40%3Cnotifications.zookeeper.apache.org%3E) (lists.apache.org) mailing-list - [\[zookeeper-notifications\] 20210825 \[GitHub\] \[zookeeper\] eolivelli commented on pull request #1734: ZOOKEEPER-4337: Bump jetty to 9.4.43.v20210629 (avoids CVE-2021-34429)](https://lists.apache.org/thread.html/r2e32390cb7aedb39069e5b18aa130ca53e766258518faee63c31d3ea%40%3Cnotifications.zookeeper.apache.org%3E) (lists.apache.org) mailing-list - [\[zookeeper-notifications\] 20210827 \[GitHub\] \[zookeeper\] nkalmar commented on pull request #1734: ZOOKEEPER-4337: Bump jetty to 9.4.43.v20210629 (avoids CVE-2021-34429)](https://lists.apache.org/thread.html/rcb157f55b9ae41b3076801de927c6fca1669c6d8eaf11a9df5dbeb46%40%3Cnotifications.zookeeper.apache.org%3E) (lists.apache.org) mailing-list - [\[zookeeper-commits\] 20210901 \[zookeeper\] branch branch-3.7 updated: ZOOKEEPER-4337: Bump jetty to 9.4.43.v20210629 (avoids CVE-2021-34429)](https://lists.apache.org/thread.html/r44ea39ca8110de7353bfec88f58aa3aa58a42bb324b8772512ee190c%40%3Ccommits.zookeeper.apache.org%3E) (lists.apache.org) mailing-list - [\[zookeeper-commits\] 20210901 \[zookeeper\] branch master updated: ZOOKEEPER-4337: Bump jetty to 9.4.43.v20210629 (avoids CVE-2021-34429)](https://lists.apache.org/thread.html/r0626f279ebf65506110a897e3a57ccd4072803ee5434b2503e070398%40%3Ccommits.zookeeper.apache.org%3E) (lists.apache.org) mailing-list - [\[zookeeper-notifications\] 20210901 \[GitHub\] \[zookeeper\] ztzg closed pull request #1734: ZOOKEEPER-4337: Bump jetty to 9.4.43.v20210629 (avoids CVE-2021-34429)](https://lists.apache.org/thread.html/r48a93f2bc025acd7c7e341ed3864bfdeb75f0c768d41bc247e1a1f63%40%3Cnotifications.zookeeper.apache.org%3E) (lists.apache.org) mailing-list - [\[zookeeper-issues\] 20210901 \[jira\] \[Resolved\] (ZOOKEEPER-4337) CVE-2021-34429 in jetty 9.4.38.v20210224 in zookeeper 3.7.0](https://lists.apache.org/thread.html/rcea249eb7a0d243f21696e4985de33f3780399bf7b31ea1f6d489b8b%40%3Cissues.zookeeper.apache.org%3E) (lists.apache.org) mailing-list - [\[hbase-issues\] 20210921 \[jira\] \[Created\] (HBASE-26292) Update jetty version to fix CVE-2021-34429](https://lists.apache.org/thread.html/r833a4c8bdbbfeb8a2cd38238e7b59f83edd5c1a0e508b587fc551a46%40%3Cissues.hbase.apache.org%3E) (lists.apache.org) mailing-list - [\[hbase-dev\] 20210921 \[jira\] \[Created\] (HBASE-26292) Update jetty version to fix CVE-2021-34429](https://lists.apache.org/thread.html/r721ab6a5fa8d45bec76714b674f5d4caed2ebfeca69ad1d6d4caae6c%40%3Cdev.hbase.apache.org%3E) (lists.apache.org) mailing-list - [\[hbase-issues\] 20210921 \[jira\] \[Commented\] (HBASE-26292) Update jetty version to fix CVE-2021-34429](https://lists.apache.org/thread.html/re850203ef8700cb826534dd4a1cb9f5b07bb8f6f973b39ff7838d3ba%40%3Cissues.hbase.apache.org%3E) (lists.apache.org) mailing-list - [\[zookeeper-issues\] 20211028 \[jira\] \[Updated\] (ZOOKEEPER-4337) CVE-2021-34429 in jetty 9.4.38.v20210224 in zookeeper 3.7.0](https://lists.apache.org/thread.html/r3c55b0baa4dc38958ae147b2f216e212605f1071297f845e14477d36%40%3Cissues.zookeeper.apache.org%3E) (lists.apache.org) mailing-list - [oracle.com/security-alerts/cpujan2022.html](https://www.oracle.com/security-alerts/cpujan2022.html) - [security.netapp.com/advisory/ntap-20210819-0006](https://security.netapp.com/advisory/ntap-20210819-0006/) - [oracle.com/security-alerts/cpuapr2022.html](https://www.oracle.com/security-alerts/cpuapr2022.html) - [oracle.com/security-alerts/cpujul2022.html](https://www.oracle.com/security-alerts/cpujul2022.html) ## Timeline 1. ID reserved Jun 9, 2021 2. Record published Jul 15, 2021 3. Record last updated Aug 4, 2024 ## Look up another CVE ## About CubePath CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection. [Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection) Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:05 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)