{"id":"CVE-2021-22051","aliases":["EUVD-2021-2279","GHSA-2r2v-q399-qq93"],"status":"published","title":"Request injection in Spring Cloud Gateway","description":"Applications using Spring Cloud Gateway are vulnerable to specifically crafted requests that could make an extra request on downstream services. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.5+, 2.2.x users should upgrade to 2.2.10.RELEASE or newer.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00672,"percentile":0.52554,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-352","CWE-863"],"published":"2021-11-08T13:37:29Z","modified":"2026-10-24T10:30:16Z","fixes":[{"ecosystem":"Maven","package":"org.springframework.cloud:spring-cloud-gateway","fixed_in":["3.0.5","2.2.10.RELEASE0.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.springframework.cloud:spring-cloud-gateway","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.0.5"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.springframework.cloud:spring-cloud-gateway","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"last_affected":"2.2.10.RELEASE"},{"fixed":"2.2.10.RELEASE0.5"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.springframework.cloud:spring-cloud-gateway","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.0.5"}]}],"versions":["3.0.0","3.0.1","3.0.2","3.0.3","3.0.4"]},{"source":"osv","ecosystem":"Maven","package":"org.springframework.cloud:spring-cloud-gateway","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.10.RELEASE0.5"}]}],"versions":["2.2.0.RELEASE","2.2.1.RELEASE","2.2.10.RELEASE","2.2.2.RELEASE","2.2.3.RELEASE","2.2.4.RELEASE","2.2.5.RELEASE","2.2.6.RELEASE","2.2.7.RELEASE","2.2.8.RELEASE","2.2.9.RELEASE"]}],"products":[{"vendor":"vmware","product":"spring cloud gateway"},{"vendor":"vmware","product":"spring_cloud_gateway"}],"references":[{"url":"https://tanzu.vmware.com/security/cve-2021-22051","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22051","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2r2v-q399-qq93"}],"sources":{"cve":[{"id":"CVE-2021-22051","description":"Applications using Spring Cloud Gateway are vulnerable to specifically crafted requests that could make an extra request on downstream services. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.5+, 2.2.x users should upgrade to 2.2.10.RELEASE or newer.","status":"published","published":"2021-11-08T13:37:29Z","modified":"2024-08-03T18:30:23.942Z","updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-2279","description":"Applications using Spring Cloud Gateway are vulnerable to specifically crafted requests that could make an extra request on downstream services. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.5+, 2.2.x users should upgrade to 2.2.10.RELEASE or newer.","status":"published","published":"2021-11-08T13:37:29Z","modified":"2024-08-03T18:30:23Z","updated_at":"2026-11-03T03:25:04.094929Z"}],"ghsa":[{"id":"GHSA-2r2v-q399-qq93","title":"Request injection in Spring Cloud Gateway","description":"Applications using Spring Cloud Gateway are vulnerable to specifically crafted requests that could make an extra request on downstream services. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.5+, 2.2.x users should upgrade to 2.2.10.RELEASE or newer.","status":"published","published":"2021-11-10T19:45:02Z","modified":"2023-02-01T05:06:27Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-352","CWE-863"],"updated_at":"2026-11-02T14:36:39.086869Z"}],"nvd":[{"id":"CVE-2021-22051","description":"Applications using Spring Cloud Gateway are vulnerable to specifically crafted requests that could make an extra request on downstream services. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.5+, 2.2.x users should upgrade to 2.2.10.RELEASE or newer.","status":"published","published":"2021-11-08T14:15:07.86Z","modified":"2026-06-17T03:36:36.763Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:07:00.984108Z"}],"osv":[{"id":"CVE-2021-22051","description":"Applications using Spring Cloud Gateway are vulnerable to specifically crafted requests that could make an extra request on downstream services. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.5+, 2.2.x users should upgrade to 2.2.10.RELEASE or newer.","status":"published","published":"2021-11-08T14:15:07.86Z","modified":"2026-10-24T10:30:16.073259879Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:18.367807Z"},{"id":"GHSA-2r2v-q399-qq93","title":"Request injection in Spring Cloud Gateway","description":"Applications using Spring Cloud Gateway are vulnerable to specifically crafted requests that could make an extra request on downstream services. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.5+, 2.2.x users should upgrade to 2.2.10.RELEASE or newer.","status":"published","published":"2021-11-10T19:45:02Z","modified":"2023-11-08T04:04:53.464497Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-352","CWE-863"],"updated_at":"2026-11-02T15:46:34.700741Z"}]}}