Auth bypass in Broadcom Symantec Advanced Secure Gateway 500-10
CVE-2021-30648
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.
Vulnerability class: Broken Authentication
EPSS: 0.014 (70.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Broadcom Symantec_advanced_secure_gateway_500-10
- Broadcom Symantec_advanced_secure_gateway_500-10_firmware
- Broadcom Symantec_advanced_secure_gateway_s200-30
- Broadcom Symantec_advanced_secure_gateway_s200-30_firmware
- Broadcom Symantec_advanced_secure_gateway_s200-40
- Broadcom Symantec_advanced_secure_gateway_s200-40_firmware
- Broadcom Symantec_advanced_secure_gateway_s400-20
- Broadcom Symantec_advanced_secure_gateway_s400-20_firmware
- Broadcom Symantec_advanced_secure_gateway_s400-30
- Broadcom Symantec_advanced_secure_gateway_s400-30_firmware
Weakness classification (CWE)
References
- secure@symantec.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-30648?
- CVE-2021-30648 is a critical-severity vulnerability in Broadcom Symantec Advanced Secure Gateway 500-10, classified under Improper Authentication. CVSS score: 9.8/10. Published 2021-06-30.
- How severe is CVE-2021-30648?
- Critical severity. CVSS v3 base score is 9.8 out of 10.