{"id":19805,"date":"2025-07-09T09:35:17","date_gmt":"2025-07-09T06:05:17","guid":{"rendered":"https:\/\/liangroup.net\/blog\/?p=19805"},"modified":"2025-07-08T21:12:00","modified_gmt":"2025-07-08T17:42:00","slug":"cisco-removes-unified-cm-callmanager-backdoor-root-account","status":"publish","type":"post","link":"https:\/\/liangroup.net\/blog\/cisco-removes-unified-cm-callmanager-backdoor-root-account\/","title":{"rendered":"\u0647\u0634\u062f\u0627\u0631 Cisco \u062f\u0631\u0628\u0627\u0631\u0647 \u0631\u0648\u062a SSH \u0633\u062e\u062a\u200c\u06a9\u062f \u0634\u062f\u0647 \u062f\u0631 Unified CM"},"content":{"rendered":"<p><span style=\"font-size: 10pt\">Cisco \u06cc\u06a9 \u062d\u0633\u0627\u0628 backdoor \u0631\u0627 \u0627\u0632 Unified Communications Manager (Unified CM) \u062e\u0648\u062f \u062d\u0630\u0641 \u06a9\u0631\u062f \u06a9\u0647 \u0628\u0647 \u0645\u0647\u0627\u062c\u0645\u0627\u0646 \u0627\u0632 \u0631\u0627\u0647 \u062f\u0648\u0631 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc\u200c\u062f\u0627\u062f \u062a\u0627 \u0628\u0627 \u062f\u0633\u062a\u0631\u0633\u06cc root \u0628\u0647 \u062f\u0633\u062a\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631 \u0648\u0627\u0631\u062f \u0634\u0648\u0646\u062f.<\/span><\/p>\n<p><span style=\"font-size: 10pt\">Cisco Unified Communications Manager (CUCM)\u060c \u06a9\u0647 \u067e\u06cc\u0634\u062a\u0631 \u0628\u0647 \u0646\u0627\u0645 Cisco CallManager \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc\u200c\u0634\u062f\u060c \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u0633\u06cc\u0633\u062a\u0645 \u06a9\u0646\u062a\u0631\u0644 \u0645\u0631\u06a9\u0632\u06cc \u0628\u0631\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u062a\u0644\u0641\u0646\u06cc IP Cisco \u0639\u0645\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0648\u0638\u06cc\u0641\u0647 \u0645\u0633\u06cc\u0631\u06cc\u0627\u0628\u06cc \u062a\u0645\u0627\u0633\u200c\u0647\u0627\u060c \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0633\u062a\u06af\u0627\u0647\u200c\u0647\u0627 \u0648 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u062a\u0644\u0641\u0646\u06cc \u0631\u0627 \u0628\u0631 \u0639\u0647\u062f\u0647 \u062f\u0627\u0631\u062f.<\/span><\/p>\n<p><span style=\"font-size: 10pt\">\u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631\u06cc (\u06a9\u0647 \u0628\u0627 \u0646\u0627\u0645 CVE-2025-20309 \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f) \u0628\u0627 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0634\u062f\u062a \u0631\u062f\u0647\u200c\u0628\u0646\u062f\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a \u0648 \u0646\u0627\u0634\u06cc \u0627\u0632 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u06a9\u0627\u0631\u0628\u0631\u06cc \u062b\u0627\u0628\u062a \u0628\u0631\u0627\u06cc \u062d\u0633\u0627\u0628 root \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u062f\u0648\u0631\u0627\u0646 \u062a\u0648\u0633\u0639\u0647 \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0628\u0648\u062f.<\/span><\/p>\n<p><span style=\"font-size: 10pt\">\u0637\u0628\u0642 \u0645\u0634\u0627\u0648\u0631\u0647 \u0627\u0645\u0646\u06cc\u062a\u06cc Cisco \u06a9\u0647 \u0631\u0648\u0632 \u0686\u0647\u0627\u0631\u0634\u0646\u0628\u0647 \u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u060c CVE-2025-20309 \u0628\u0631 \u0631\u0648\u06cc \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u06f1\u06f5\u066b\u06f0\u066b\u06f1\u066b\u06f1\u06f3\u06f0\u06f1\u06f0-\u06f1 \u062a\u0627 \u06f1\u06f5\u066b\u06f0\u066b\u06f1\u066b\u06f1\u06f3\u06f0\u06f1\u06f7-\u06f1 \u0627\u0632 Cisco Unified CM \u0648 Unified CM SME Engineering Special (ES) \u062a\u0623\u062b\u06cc\u0631 \u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u062f\u060c \u0628\u062f\u0648\u0646 \u062a\u0648\u062c\u0647 \u0628\u0647 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u062f\u0633\u062a\u06af\u0627\u0647.<\/span><\/p>\n<p><span style=\"font-size: 10pt\">\u0634\u0631\u06a9\u062a Cisco \u0627\u0641\u0632\u0648\u062f \u06a9\u0647 \u0647\u06cc\u0686 \u0631\u0648\u0634 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0628\u0631\u0627\u06cc \u0631\u0641\u0639 \u0627\u06cc\u0646 \u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631\u06cc \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f \u0648 \u0645\u062f\u06cc\u0631\u0627\u0646 \u062a\u0646\u0647\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0627 \u0627\u0631\u062a\u0642\u0627\u0621 \u062f\u0633\u062a\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631 \u0628\u0647 Cisco Unified CM \u0648 Unified CM SME 15SU3 (\u062a\u0627\u0631\u06cc\u062e \u0627\u0646\u062a\u0634\u0627\u0631: \u0698\u0648\u0626\u06cc\u0647 \u06f2\u06f0\u06f2\u06f5) \u06cc\u0627 \u0628\u0627 \u0627\u0639\u0645\u0627\u0644 \u0641\u0627\u06cc\u0644 \u067e\u0686 CSCwp27755 \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0645\u0648\u062c\u0648\u062f \u0627\u0633\u062a\u060c \u0627\u06cc\u0646 \u0646\u0642\u0635 \u0631\u0627 \u0628\u0631\u0637\u0631\u0641 \u06a9\u0646\u0646\u062f.<\/span><\/p>\n<p><span style=\"font-size: 10pt\">Cisco \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f: &#8220;\u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631\u06cc \u062f\u0631 Cisco Unified Communications Manager (Unified CM) \u0648 Cisco Unified Communications Manager Session Management Edition (Unified CM SME) \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u06cc\u06a9 \u0645\u0647\u0627\u062c\u0645 \u0627\u0632 \u0631\u0627\u0647 \u062f\u0648\u0631 \u0648 \u0628\u062f\u0648\u0646 \u062a\u0627\u06cc\u06cc\u062f \u0647\u0648\u06cc\u062a \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u062f \u062a\u0627 \u0648\u0627\u0631\u062f \u062f\u0633\u062a\u06af\u0627\u0647 \u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631 \u0634\u0648\u062f \u0648 \u0627\u0632 \u062d\u0633\u0627\u0628 root \u06a9\u0647 \u062f\u0627\u0631\u0627\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u062b\u0627\u0628\u062a \u0648 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0627\u0633\u062a\u060c \u06a9\u0647 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u06cc\u0627 \u062d\u0630\u0641 \u06a9\u0631\u062f\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u062f.&#8221;<\/span><\/p>\n<p><span style=\"font-size: 10pt\">\u062f\u0631 \u0635\u0648\u0631\u062a \u0628\u0647\u0631\u0647\u200c\u0628\u0631\u062f\u0627\u0631\u06cc \u0645\u0648\u0641\u0642\u060c \u0645\u0647\u0627\u062c\u0645\u0627\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631 \u062f\u0633\u062a\u0631\u0633\u06cc \u067e\u06cc\u062f\u0627 \u06a9\u0646\u0646\u062f \u0648 \u062f\u0633\u062a\u0648\u0631\u0627\u062a \u062f\u0644\u062e\u0648\u0627\u0647 \u0631\u0627 \u0628\u0627 \u062f\u0633\u062a\u0631\u0633\u06cc root \u0627\u062c\u0631\u0627 \u06a9\u0646\u0646\u062f.<\/span><\/p>\n<p><span style=\"font-size: 10pt\">\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u062a\u06cc\u0645 \u0648\u0627\u06a9\u0646\u0634 \u0628\u0647 \u062d\u0648\u0627\u062f\u062b \u0627\u0645\u0646\u06cc\u062a\u06cc \u0645\u062d\u0635\u0648\u0644\u0627\u062a Cisco (PSIRT) \u0647\u0646\u0648\u0632 \u0627\u0632 \u0648\u062c\u0648\u062f \u06a9\u062f \u0627\u062b\u0628\u0627\u062a \u0645\u0641\u0647\u0648\u0645 (PoC) \u0622\u0646\u0644\u0627\u06cc\u0646 \u06cc\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631\u06cc \u062f\u0631 \u062d\u0645\u0644\u0627\u062a \u0645\u0637\u0644\u0639 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u0627\u06cc\u0646 \u0634\u0631\u06a9\u062a \u0646\u0634\u0627\u0646\u0647\u200c\u0647\u0627\u06cc\u06cc \u0627\u0632 \u062f\u0631\u06af\u06cc\u0631\u06cc (IOC) \u0628\u0631\u0627\u06cc \u06a9\u0645\u06a9 \u0628\u0647 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u062f\u0633\u062a\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631 \u0645\u0646\u062a\u0634\u0631 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a.<\/span><\/p>\n<p><span style=\"font-size: 10pt\">\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 Cisco \u0628\u06cc\u0627\u0646 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a\u060c \u0628\u0647\u0631\u0647\u200c\u0628\u0631\u062f\u0627\u0631\u06cc \u0627\u0632 CVE-2025-20309 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0648\u0631\u0648\u062f \u0644\u0627\u06af \u0628\u0647 \u0641\u0627\u06cc\u0644 \/var\/log\/active\/syslog\/secure \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631 root \u0628\u0627 \u0645\u062c\u0648\u0632\u0647\u0627\u06cc root \u062e\u0648\u0627\u0647\u062f \u0634\u062f. \u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0644\u0627\u06af\u200c\u06af\u0630\u0627\u0631\u06cc \u0627\u06cc\u0646 \u0631\u0648\u06cc\u062f\u0627\u062f \u0628\u0647\u200c\u0637\u0648\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0641\u0639\u0627\u0644 \u0627\u0633\u062a\u060c \u0645\u062f\u06cc\u0631\u0627\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0627\u0632 \u062e\u0637 \u0641\u0631\u0645\u0627\u0646\u060c \u0644\u0627\u06af\u200c\u0647\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u062a\u0644\u0627\u0634\u200c\u0647\u0627\u06cc \u0628\u0647\u0631\u0647\u200c\u0628\u0631\u062f\u0627\u0631\u06cc \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u06a9\u0646\u0646\u062f: file get activelog syslog\/secure.<\/span><\/p>\n<p><span style=\"font-size: 10pt\">\u0627\u06cc\u0646 \u0627\u0648\u0644\u06cc\u0646 \u0628\u0627\u0631 \u0646\u06cc\u0633\u062a \u06a9\u0647 Cisco \u0645\u062c\u0628\u0648\u0631 \u0628\u0647 \u062d\u0630\u0641 \u062d\u0633\u0627\u0628\u200c\u0647\u0627\u06cc backdoor \u0627\u0632 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u062e\u0648\u062f \u062f\u0631 \u0633\u0627\u0644\u200c\u0647\u0627\u06cc \u0627\u062e\u06cc\u0631 \u0627\u0633\u062a\u060c \u0632\u06cc\u0631\u0627 \u067e\u06cc\u0634\u062a\u0631 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u06a9\u0627\u0631\u0628\u0631\u06cc \u0633\u062e\u062a\u200c\u06a9\u062f \u0634\u062f\u0647\u200c\u0627\u06cc \u062f\u0631 \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631\u0647\u0627\u06cc IOS XE\u060c \u062e\u062f\u0645\u0627\u062a \u0628\u0631\u0646\u0627\u0645\u0647 \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u067e\u0647\u0646 \u0628\u0627\u0646\u062f (WAAS)\u060c \u0645\u0639\u0645\u0627\u0631\u06cc \u0634\u0628\u06a9\u0647 \u062f\u06cc\u062c\u06cc\u062a\u0627\u0644 (DNA)\u060c \u0648 \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631 Emergency Responder \u06a9\u0634\u0641 \u0634\u062f\u0647 \u0628\u0648\u062f.<\/span><\/p>\n<p><span style=\"font-size: 10pt\">\u0627\u062e\u06cc\u0631\u0627\u064b\u060c Cisco \u062f\u0631 \u0645\u0627\u0647 \u0622\u0648\u0631\u06cc\u0644 \u0628\u0647 \u0645\u062f\u06cc\u0631\u0627\u0646 \u0647\u0634\u062f\u0627\u0631 \u062f\u0627\u062f\u0647 \u0628\u0648\u062f \u06a9\u0647 \u06cc\u06a9 \u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631\u06cc \u0628\u062d\u0631\u0627\u0646\u06cc \u062f\u0631 \u0627\u0628\u0632\u0627\u0631 Cisco Smart Licensing Utility (CSLU) \u0631\u0627 \u0648\u0635\u0644\u0647 \u06a9\u0646\u0646\u062f \u06a9\u0647 \u06cc\u06a9 \u062d\u0633\u0627\u0628 \u06a9\u0627\u0631\u0628\u0631\u06cc backdoor \u062f\u0627\u062e\u0644\u06cc \u0631\u0627 \u062f\u0631 \u0645\u0639\u0631\u0636 \u062d\u0645\u0644\u0627\u062a \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f. \u06cc\u06a9 \u0645\u0627\u0647 \u0628\u0639\u062f\u060c \u0627\u06cc\u0646 \u0634\u0631\u06a9\u062a \u06cc\u06a9 \u062a\u0648\u06a9\u0646 JSON Web Token (JWT) \u0633\u062e\u062a\u200c\u06a9\u062f \u0634\u062f\u0647 \u0631\u0627 \u06a9\u0647 \u0628\u0647 \u0645\u0647\u0627\u062c\u0645\u0627\u0646 \u0627\u0632 \u0631\u0627\u0647 \u062f\u0648\u0631 \u0628\u062f\u0648\u0646 \u062a\u0627\u06cc\u06cc\u062f \u0647\u0648\u06cc\u062a \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f \u062f\u0633\u062a\u06af\u0627\u0647\u200c\u0647\u0627\u06cc IOS XE \u0631\u0627 \u062a\u0635\u0631\u0641 \u06a9\u0646\u0646\u062f\u060c \u062d\u0630\u0641 \u06a9\u0631\u062f.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cisco \u06cc\u06a9 \u062d\u0633\u0627\u0628 backdoor \u0631\u0627 \u0627\u0632 Unified Communications Manager (Unified CM) \u062e\u0648\u062f \u062d\u0630\u0641 \u06a9\u0631\u062f \u06a9\u0647 \u0628\u0647 \u0645\u0647\u0627\u062c\u0645\u0627\u0646 \u0627\u0632 \u0631\u0627\u0647 \u062f\u0648\u0631 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc\u200c\u062f\u0627\u062f \u062a\u0627 \u0628\u0627 \u062f\u0633\u062a\u0631\u0633\u06cc root \u0628\u0647 \u062f\u0633\u062a\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631 \u0648\u0627\u0631\u062f \u0634\u0648\u0646\u062f. 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