Critical severity · published Jun 30, 2021
CVE-2021-30648
The Symantec Advanced Secure Gateway (ASG) and ProxySG web management consoles are susceptible to an authentication bypass vulnerability
9.8
CVSS
1.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SA
Symantec Advanced Secure Gateway 500-10 Firmware · Broadcom
6.6 before 6.7.4.17; 6.7.5.0 before 6.7.5.12; 7.2 before 7.2.7.2; 7.3 before 7.3.3.3 · source: NVD
SA
Symantec Advanced Secure Gateway S200-30 Firmware · Broadcom
6.6 before 6.7.4.17; 6.7.5.0 before 6.7.5.12; 7.2 before 7.2.7.2; 7.3 before 7.3.3.3 · source: NVD
SA
Symantec Advanced Secure Gateway S200-40 Firmware · Broadcom
6.6 before 6.7.4.17; 6.7.5.0 before 6.7.5.12; 7.2 before 7.2.7.2; 7.3 before 7.3.3.3 · source: NVD
SA
Symantec Advanced Secure Gateway S400-20 Firmware · Broadcom
6.6 before 6.7.4.17; 6.7.5.0 before 6.7.5.12; 7.2 before 7.2.7.2; 7.3 before 7.3.3.3 · source: NVD
SA
Symantec Advanced Secure Gateway S400-30 Firmware · Broadcom
6.6 before 6.7.4.17; 6.7.5.0 before 6.7.5.12; 7.2 before 7.2.7.2; 7.3 before 7.3.3.3 · source: NVD
SA
Symantec Advanced Secure Gateway S400-40 Firmware · Broadcom
6.6 before 6.7.4.17; 6.7.5.0 before 6.7.5.12; 7.2 before 7.2.7.2; 7.3 before 7.3.3.3 · source: NVD
SA
Symantec Advanced Secure Gateway S500-20 Firmware · Broadcom
6.6 before 6.7.4.17; 6.7.5.0 before 6.7.5.12; 7.2 before 7.2.7.2; 7.3 before 7.3.3.3 · source: NVD
SP
Symantec Proxysg · Broadcom
6.5 before 6.5.10.16; 6.6 before 6.6.5.19; 6.7 before 6.7.5.12; 7.2 before 7.2.7.2; 7.3 before 7.3.3.3 · source: NVD
Affected product
SA
Symantec Advanced Secure Gateway 500-10 Firmware
Broadcom