{"uuid": "2d9a4a01-122f-45f4-8aea-c52daf31983e", "vulnerability": {"vulnId": "CVE-2021-27561", "altId": []}, "gcve": {"origin_uuid": "caeb2787-0d58-4236-9039-7c86c3e566f3", "gna": 1, "object_uuid": "2d9a4a01-122f-45f4-8aea-c52daf31983e"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2021-11-03T00:00:00+00:00"}, "characteristics": {}, "timestamps": {"asserted_at": "2021-11-03T00:00:00Z", "recorded_at": "2026-06-23T14:02:37Z", "first_seen_at": "2021-11-03T00:00:00Z"}, "scope": {"notes": "KEVIntel entry: Yealink Device Management (DM) 3.6.0.20 allows command injection as root via the /sm/api/v1/firewall/zone/services URI, without authentication. | Affected: Yealink / Device Management | CVSS: 9.8 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: False"}, "evidence": [{"type": "public_report", "source": "kevintel", "signal": "successful_exploitation", "confidence": 0.7, "details": {"feed": "KEVIntel (kevintel.com)", "title": "Yealink Device Management (DM) 3.6.0.20 allows command injection as root via the /sm/api/v1/firewall/zone/services URI, without authentication.", "vendor": "Yealink", "product": "Device Management", "added_date": "2021-11-03T00:00:00.000Z", "cvss_score": 9.8, "epss_score": null, "cvss_severity": "CRITICAL", "epss_percentile": null, "used_in_malware": "unknown", "ahead_of_cisa_kev": null, "not_yet_in_cisa_kev": false}}], "references": [{"id": "CVE-2021-27561", "url": "https://www.cve.org/CVERecord?id=CVE-2021-27561"}, {"id": "kevintel", "url": "https://kevintel.com/vuln/CVE-2021-27561"}]}