{"id":"CVE-2021-30648","aliases":["EUVD-2021-17565","GHSA-23p9-49c6-fm5w"],"status":"published","title":"The Symantec Advanced Secure Gateway (ASG) and ProxySG web management consoles are susceptible to...","description":"The Symantec Advanced Secure Gateway (ASG) and ProxySG web management consoles are susceptible to an authentication bypass vulnerability. An unauthenticated attacker can execute arbitrary CLI commands, view/modify the appliance configuration and policy, and shutdown/restart the appliance.","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":"2026-11-11","score":0.01447,"percentile":0.73658,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2021-06-30T10:40:39Z","modified":"2026-06-17T03:50:37Z","products":[{"vendor":"broadcom","product":"symantec_advanced_secure_gateway_500-10_firmware"},{"vendor":"broadcom","product":"symantec_advanced_secure_gateway_s200-30_firmware"},{"vendor":"broadcom","product":"symantec_advanced_secure_gateway_s200-40_firmware"},{"vendor":"broadcom","product":"symantec_advanced_secure_gateway_s400-20_firmware"},{"vendor":"broadcom","product":"symantec_advanced_secure_gateway_s400-30_firmware"},{"vendor":"broadcom","product":"symantec_advanced_secure_gateway_s400-40_firmware"},{"vendor":"broadcom","product":"symantec_advanced_secure_gateway_s500-20_firmware"},{"vendor":"broadcom","product":"symantec_proxysg"}],"references":[{"url":"https://support.broadcom.com/security-advisory/content/security-advisories/0/SYMSA18331","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30648"},{"url":"https://github.com/advisories/GHSA-23p9-49c6-fm5w"}],"sources":{"cve":[{"id":"CVE-2021-30648","description":"The Symantec Advanced Secure Gateway (ASG) and ProxySG web management consoles are susceptible to an authentication bypass vulnerability. An unauthenticated attacker can execute arbitrary CLI commands, view/modify the appliance configuration and policy, and shutdown/restart the appliance.","status":"published","published":"2021-06-30T10:40:39Z","modified":"2024-08-03T22:40:31.611Z","updated_at":"2026-11-02T14:33:02.20241Z"}],"euvd":[{"id":"EUVD-2021-17565","description":"The Symantec Advanced Secure Gateway (ASG) and ProxySG web management consoles are susceptible to an authentication bypass vulnerability. An unauthenticated attacker can execute arbitrary CLI commands, view/modify the appliance configuration and policy, and shutdown/restart the appliance.","status":"published","published":"2021-06-30T10:40:39Z","modified":"2024-08-03T22:40:31Z","updated_at":"2026-11-03T03:24:41.467382Z"}],"ghsa":[{"id":"GHSA-23p9-49c6-fm5w","title":"The Symantec Advanced Secure Gateway (ASG) and ProxySG web management consoles are susceptible to...","description":"The Symantec Advanced Secure Gateway (ASG) and ProxySG web management consoles are susceptible to an authentication bypass vulnerability. An unauthenticated attacker can execute arbitrary CLI commands, view/modify the appliance configuration and policy, and shutdown/restart the appliance.","status":"published","published":"2022-05-24T19:06:40Z","modified":"2023-01-30T05:00:35Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:46:14.069279Z"}],"nvd":[{"id":"CVE-2021-30648","description":"The Symantec Advanced Secure Gateway (ASG) and ProxySG web management consoles are susceptible to an authentication bypass vulnerability. An unauthenticated attacker can execute arbitrary CLI commands, view/modify the appliance configuration and policy, and shutdown/restart the appliance.","status":"published","published":"2021-06-30T11:15:08.143Z","modified":"2026-06-17T03:50:37.21Z","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":9,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:06:55.259633Z"}]}}