{"id":"CVE-2021-34066","aliases":["EUVD-2021-20736","GHSA-p4xg-pq3g-jw4c"],"status":"published","title":"An issue was discovered in EdgeGallery/developer before v1.0. There is a \"Deserialization of yaml...","description":"An issue was discovered in EdgeGallery/developer before v1.0. There is a \"Deserialization of yaml file\" vulnerability that can allow attackers to execute system command through uploading the malicious constructed YAML file.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01962,"percentile":0.80497,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2021-08-30T18:31:42Z","modified":"2026-10-20T10:54:45Z","products":[{"vendor":"edgegallery","product":"developer-be"}],"references":[{"url":"https://github.com/EdgeGallery/developer-be/issues/1","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34066"},{"url":"https://github.com/advisories/GHSA-p4xg-pq3g-jw4c"}],"sources":{"cve":[{"id":"CVE-2021-34066","description":"An issue was discovered in EdgeGallery/developer before v1.0. There is a \"Deserialization of yaml file\" vulnerability that can allow attackers to execute system command through uploading the malicious constructed YAML file.","status":"published","published":"2021-08-30T18:31:42Z","modified":"2024-08-04T00:05:52.346Z","updated_at":"2026-11-02T14:33:11.59359Z"}],"euvd":[{"id":"EUVD-2021-20736","description":"An issue was discovered in EdgeGallery/developer before v1.0. There is a \"Deserialization of yaml file\" vulnerability that can allow attackers to execute system command through uploading the malicious constructed YAML file.","status":"published","published":"2021-08-30T18:31:42Z","modified":"2024-08-04T00:05:52Z","updated_at":"2026-11-03T03:24:33.318275Z"}],"ghsa":[{"id":"GHSA-p4xg-pq3g-jw4c","title":"An issue was discovered in EdgeGallery/developer before v1.0. There is a \"Deserialization of yaml...","description":"An issue was discovered in EdgeGallery/developer before v1.0. There is a \"Deserialization of yaml file\" vulnerability that can allow attackers to execute system command through uploading the malicious constructed YAML file.","status":"published","published":"2022-05-24T19:12:26Z","modified":"2023-01-30T05:01:49Z","cwes":["CWE-502"],"updated_at":"2026-11-02T14:46:29.807452Z"}],"nvd":[{"id":"CVE-2021-34066","description":"An issue was discovered in EdgeGallery/developer before v1.0. There is a \"Deserialization of yaml file\" vulnerability that can allow attackers to execute system command through uploading the malicious constructed YAML file.","status":"published","published":"2021-08-30T19:15:08.703Z","modified":"2026-06-17T03:55:26.71Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:06:57.67549Z"}],"osv":[{"id":"CVE-2021-34066","description":"An issue was discovered in EdgeGallery/developer before v1.0. There is a \"Deserialization of yaml file\" vulnerability that can allow attackers to execute system command through uploading the malicious constructed YAML file.","status":"published","published":"2021-08-30T19:15:08.703Z","modified":"2026-10-20T10:54:45.420203804Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:20.13324Z"}]}}