{"id":"CVE-2020-5421","published":"2020-09-19T03:45:13Z","modified":"2026-10-08T21:03:32Z","title":"RFD Protection Bypass via jsessionid","vendor":"Spring by VMware","product":"Spring Framework","tier":"tail","description":{"text":"In Spring Framework versions 5.2.0 - 5.2.8, 5.1.0 - 5.1.17, 5.0.0 - 5.0.18, 4.3.0 - 4.3.28, and older unsupported versions, the protections against RFD attacks from CVE-2015-5211 may be bypassed depending on the browser used through the use of a jsessionid path parameter.","provenance":"source","from":"CVE.org"},"cvss":{"score":8.7,"severity":"HIGH","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.11564,"percentile":0.96027,"provenance":"source"},"cwes":[],"references":[{"url":"https://tanzu.vmware.com/security/cve-2020-5421","tags":["x_refsource_CONFIRM"]},{"url":"https://lists.apache.org/thread.html/re014a49d77f038ba70e5e9934d400af6653e8c9ac110d32b1254127e%40%3Cdev.ranger.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r1eccdbd7986618a7319ee7a533bd9d9bf6e8678e59dd4cca9b5b2d7a%40%3Cissues.ambari.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r9f13cccb214495e14648d2c9b8f2c6072fd5219e74502dd35ede81e1%40%3Cdev.ambari.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r8b496b1743d128e6861ee0ed3c3c48cc56c505b38f84fa5baf7ae33a%40%3Cdev.ambari.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r1c679c43fa4f7846d748a937955c7921436d1b315445978254442163%40%3Ccommits.ambari.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r5c95eff679dfc642e9e4ab5ac6d202248a59cb1e9457cfbe8b729ac5%40%3Cissues.ambari.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/rf00d8f4101a1c1ea4de6ea1e09ddf7472cfd306745c90d6da87ae074%40%3Cdev.hive.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/rc9efaf6db98bee19db1bc911d0fa442287dac5cb229d4aaa08b6a13d%40%3Cissues.hive.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r7e6a213eea7f04fc6d9e3bd6eb8d68c4df92a22e956e95cb2c482865%40%3Cissues.hive.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r503e64b43a57fd68229cac4a869d1a9a2eac9e75f8719cad3a840211%40%3Ccommits.pulsar.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r918caad55dcc640a16753b00d8d6acb90b4e36de4b6156d0867246ec%40%3Ccommits.pulsar.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r3589ed0d18edeb79028615080d5a0e8878856436bb91774a3196d9eb%40%3Ccommits.pulsar.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/rb18ed999153ef0f0cb7af03efe0046c42c7242fd77fbd884a75ecfdc%40%3Ccommits.pulsar.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/raf7ca57033e537e4f9d7df7f192fa6968c1e49409b2348e08d807ccb%40%3Cuser.ignite.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/ra889d95141059c6cbe77dd80249bb488ae53b274b5f3abad09d9511d%40%3Cuser.ignite.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/rd462a8b0dfab4c15e67c0672cd3c211ecd0e4f018f824082ed54f665%40%3Cissues.hive.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://www.oracle.com/security-alerts/cpujan2021.html","tags":["x_refsource_MISC"]},{"url":"https://www.oracle.com/security-alerts/cpuApr2021.html","tags":["x_refsource_MISC"]},{"url":"https://security.netapp.com/advisory/ntap-20210513-0009/","tags":["x_refsource_CONFIRM"]},{"url":"https://www.oracle.com//security-alerts/cpujul2021.html","tags":["x_refsource_MISC"]},{"url":"https://www.oracle.com/security-alerts/cpuoct2021.html","tags":["x_refsource_MISC"]},{"url":"https://www.oracle.com/security-alerts/cpujan2022.html","tags":["x_refsource_MISC"]},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","tags":["x_refsource_MISC"]}],"priority":{"score":30.3,"factors":[{"name":"EPSS percentile","points":19.21},{"name":"Public exploit code","points":5.0},{"name":"CVSS severity","points":6.09}]},"exploitSources":{"pocGithub":{"count":1,"skipped":0,"earliest":"2021-01-10","earliestUrl":"https://github.com/pandaMingx/CVE-2020-5421","repos":[{"name":"pandaMingx/CVE-2020-5421","url":"https://github.com/pandaMingx/CVE-2020-5421","stars":3,"created":"2021-01-10"}]},"first":{"date":"2021-01-10","source":"PoC-in-GitHub","url":"https://github.com/pandaMingx/CVE-2020-5421"},"provenance":"source"},"vendorSlug":"spring-by-vmware","affectedVersions":[{"vendor":"Spring by VMware","product":"Spring Framework","versions":[">= 4.3, < 4.3.29",">= 5.0, < 5.0.19",">= 5.1, < 5.1.18",">= 5.2, < 5.2.9"]}],"affected":[{"ecosystem":"Maven","package":"org.springframework:spring-framework-bom","vulnerableRanges":[">=5.2.0, <5.2.9",">=5.1.0, <5.1.18",">=5.0.0, <5.0.19","<4.3.29"],"patched":["5.2.9","5.1.18","5.0.19","4.3.29"],"from":["GHSA-rv39-3qh7-9v7w"],"provenance":"source"}],"euvd":{"id":"EUVD-2021-0875","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-spring-framework-cve-2015-5211","parents":[{"from":"CVE-2015-5211","to":"CVE-2020-5421","relation":"bypass","confidence":"high","kind":"lineage","evidence":[{"kind":"text","provenance":"source","relation":"bypass","quote":"…- 5.2.8, 5.1.0 - 5.1.17, 5.0.0 - 5.0.18, 4.3.0 - 4.3.28, and older unsupported versions, the protections against RFD attacks from CVE-2015-5211 may be bypassed depending on the browser used through the use of a jsessionid path parameter.","from":"CVE.org","in":"CVE-2020-5421"}]}]}}