{"id":"CVE-2022-31080","aliases":["EUVD-2022-6265","GHSA-6wvc-6pww-qr4r","GO-2022-0512"],"status":"published","title":"KubeEdge Websocket Client in package Viaduct: DoS from large response message","description":"KubeEdge is an open source system for extending native containerized application orchestration capabilities to hosts at Edge. Prior to versions 1.11.1, 1.10.2, and 1.9.4, a large response received by the viaduct WSClient can cause a DoS from memory exhaustion. The entire body of the response is being read into memory which could allow an attacker to send a request that returns a response with a large body. The consequence of the exhaustion is that the process which invokes a WSClient will be in a denial of service. The software is affected If users who are authenticated to the edge side connect to `cloudhub` from the edge side through WebSocket protocol. This bug has been fixed in Kubeedge 1.11.1, 1.10.2, and 1.9.4. There are currently no known workarounds.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00741,"percentile":0.5509,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400","CWE-770"],"published":"2022-07-11T20:55:09Z","modified":"2026-10-28T02:31:01Z","fixes":[{"ecosystem":"Go","package":"github.com/kubeedge/kubeedge","fixed_in":["1.11.1","1.10.2","1.9.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/kubeedge/kubeedge","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.11.0"},{"fixed":"1.11.1"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/kubeedge/kubeedge","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.10.0"},{"fixed":"1.10.2"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/kubeedge/kubeedge","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/kubeedge/kubeedge","ranges":[{"type":"SEMVER","events":[{"introduced":"1.11.0"},{"fixed":"1.11.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/kubeedge/kubeedge","ranges":[{"type":"SEMVER","events":[{"introduced":"1.10.0"},{"fixed":"1.10.2"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/kubeedge/kubeedge","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.9.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/kubeedge/kubeedge","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.9.4"},{"introduced":"1.10.0"},{"fixed":"1.10.2"},{"introduced":"1.11.0"},{"fixed":"1.11.1"}]}]}],"products":[{"vendor":"kubeedge","product":"kubeedge"},{"vendor":"linuxfoundation","product":"kubeedge"}],"references":[{"url":"https://github.com/kubeedge/kubeedge/security/advisories/GHSA-6wvc-6pww-qr4r","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-31080","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6wvc-6pww-qr4r"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31080.json","tags":["advisory"]},{"url":"github.com/kubeedge/kubeedge","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-31080","title":"KubeEdge Websocket Client in package Viaduct: DoS from large response message","description":"KubeEdge is an open source system for extending native containerized application orchestration capabilities to hosts at Edge. Prior to versions 1.11.1, 1.10.2, and 1.9.4, a large response received by the viaduct WSClient can cause a DoS from memory exhaustion. The entire body of the response is being read into memory which could allow an attacker to send a request that returns a response with a large body. The consequence of the exhaustion is that the process which invokes a WSClient will be in a denial of service. The software is affected If users who are authenticated to the edge side connect to `cloudhub` from the edge side through WebSocket protocol. This bug has been fixed in Kubeedge 1.11.1, 1.10.2, and 1.9.4. There are currently no known workarounds.","status":"published","published":"2022-07-11T20:55:09Z","modified":"2025-04-23T18:03:19.067Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:34:34.940806Z"}],"euvd":[{"id":"EUVD-2022-6265","description":"KubeEdge is an open source system for extending native containerized application orchestration capabilities to hosts at Edge. Prior to versions 1.11.1, 1.10.2, and 1.9.4, a large response received by the viaduct WSClient can cause a DoS from memory exhaustion. The entire body of the response is being read into memory which could allow an attacker to send a request that returns a response with a large body. The consequence of the exhaustion is that the process which invokes a WSClient will be in a denial of service. The software is affected If users who are authenticated to the edge side connect to `cloudhub` from the edge side through WebSocket protocol. This bug has been fixed in Kubeedge 1.11.1, 1.10.2, and 1.9.4. There are currently no known workarounds.","status":"published","published":"2022-07-11T20:55:09Z","modified":"2025-04-23T18:03:19Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:52:09.919052Z"}],"ghsa":[{"id":"GHSA-6wvc-6pww-qr4r","title":"DoS in KubeEdge's Websocket Client in package Viaduct","description":"### Impact\nA large response received by the viaduct WSClient can cause a DoS from memory exhaustion. The entire body of the response is being read into memory which could allow an attacker to send a request that returns a response with a large body.\nThe consequence of the exhaustion is that the process which invokes a WSClient will be in a denial of service. It will be affected If users which are authenticated to the edge side and connect from the edge side to `cloudhub` through WebSocket protocol.\n\n### Patches\nThis bug has been fixed in Kubeedge 1.11.1, 1.10.2, 1.9.4. Users should update to these versions to resolve the issue.\n\n### Workarounds\nAt the time of writing, no workaround exists.\n\n### References\nNA\n\n### Credits\nThanks David Korczynski and Adam Korczynski of ADA Logics for responsibly disclosing this issue in accordance with the [kubeedge security policy](https://github.com/kubeedge/kubeedge/security/policy) during a security audit sponsored by CNCF and facilitated by OSTIF.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [KubeEdge repo](https://github.com/kubeedge/kubeedge/issues/new/choose)\n* To make a vulnerability report, email your vulnerability to the private [cncf-kubeedge-security@lists.cncf.io](mailto:cncf-kubeedge-security@lists.cncf.io) list with the security details and the details expected for [KubeEdge bug reports](https://github.com/kubeedge/kubeedge/blob/master/.github/ISSUE_TEMPLATE/bug-report.md).\n","status":"published","published":"2022-07-11T21:06:28Z","modified":"2023-07-24T19:39:24Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T14:36:58.177785Z"}],"nvd":[{"id":"CVE-2022-31080","description":"KubeEdge is an open source system for extending native containerized application orchestration capabilities to hosts at Edge. Prior to versions 1.11.1, 1.10.2, and 1.9.4, a large response received by the viaduct WSClient can cause a DoS from memory exhaustion. The entire body of the response is being read into memory which could allow an attacker to send a request that returns a response with a large body. The consequence of the exhaustion is that the process which invokes a WSClient will be in a denial of service. The software is affected If users who are authenticated to the edge side connect to `cloudhub` from the edge side through WebSocket protocol. This bug has been fixed in Kubeedge 1.11.1, 1.10.2, and 1.9.4. There are currently no known workarounds.","status":"published","published":"2022-07-11T21:15:08.383Z","modified":"2026-06-17T04:44:45.223Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T14:07:23.322724Z"}],"osv":[{"id":"CVE-2022-31080","title":"KubeEdge Websocket Client in package Viaduct: DoS from large response message","description":"KubeEdge is an open source system for extending native containerized application orchestration capabilities to hosts at Edge. Prior to versions 1.11.1, 1.10.2, and 1.9.4, a large response received by the viaduct WSClient can cause a DoS from memory exhaustion. The entire body of the response is being read into memory which could allow an attacker to send a request that returns a response with a large body. The consequence of the exhaustion is that the process which invokes a WSClient will be in a denial of service. The software is affected If users who are authenticated to the edge side connect to `cloudhub` from the edge side through WebSocket protocol. This bug has been fixed in Kubeedge 1.11.1, 1.10.2, and 1.9.4. There are currently no known workarounds.","status":"published","published":"2022-07-11T20:55:09Z","modified":"2026-10-28T02:31:01.891232521Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:44:25.516981Z"},{"id":"GHSA-6wvc-6pww-qr4r","title":"DoS in KubeEdge's Websocket Client in package Viaduct","description":"### Impact\nA large response received by the viaduct WSClient can cause a DoS from memory exhaustion. The entire body of the response is being read into memory which could allow an attacker to send a request that returns a response with a large body.\nThe consequence of the exhaustion is that the process which invokes a WSClient will be in a denial of service. It will be affected If users which are authenticated to the edge side and connect from the edge side to `cloudhub` through WebSocket protocol.\n\n### Patches\nThis bug has been fixed in Kubeedge 1.11.1, 1.10.2, 1.9.4. Users should update to these versions to resolve the issue.\n\n### Workarounds\nAt the time of writing, no workaround exists.\n\n### References\nNA\n\n### Credits\nThanks David Korczynski and Adam Korczynski of ADA Logics for responsibly disclosing this issue in accordance with the [kubeedge security policy](https://github.com/kubeedge/kubeedge/security/policy) during a security audit sponsored by CNCF and facilitated by OSTIF.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [KubeEdge repo](https://github.com/kubeedge/kubeedge/issues/new/choose)\n* To make a vulnerability report, email your vulnerability to the private [cncf-kubeedge-security@lists.cncf.io](mailto:cncf-kubeedge-security@lists.cncf.io) list with the security details and the details expected for [KubeEdge bug reports](https://github.com/kubeedge/kubeedge/blob/master/.github/ISSUE_TEMPLATE/bug-report.md).\n","status":"published","published":"2022-07-11T21:06:28Z","modified":"2024-08-21T15:41:42.873574Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T15:46:40.308826Z"},{"id":"GO-2022-0512","title":"DoS in KubeEdge's Websocket Client in package Viaduct in github.com/kubeedge/kubeedge","description":"DoS in KubeEdge's Websocket Client in package Viaduct in github.com/kubeedge/kubeedge","status":"published","published":"2024-08-21T15:11:36Z","modified":"2026-03-03T04:50:30.040572Z","updated_at":"2026-11-02T15:47:00.918515Z"}]}}