CVE-2021-30648 Auth bypass in Advanced Secure Gateway (ASG) and ProxySG
Unauthenticated attackers can bypass authentication to execute arbitrary commands, modify configurations, and restart Symantec ASG and ProxySG appliances.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-30648?
CVE-2021-30648 is a critical authentication bypass vulnerability in Advanced Secure Gateway (ASG) and ProxySG, published on 30 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-287
Which versions are affected by CVE-2021-30648?
It affects 8 products.
Products include Broadcom Symantec Advanced Secure Gateway 500-10 Firmware, Broadcom Symantec Advanced Secure Gateway S200-30 Firmware, Broadcom Symantec Advanced Secure Gateway S200-40 Firmware, Broadcom Symantec Advanced Secure Gateway S400-20 Firmware, Broadcom Symantec Advanced Secure Gateway S400-30 Firmware, Broadcom Symantec Advanced Secure Gateway S400-40 Firmware and 2 more.
How do I fix CVE-2021-30648?
No fix has been published for CVE-2021-30648 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-30648 being exploited?
There is no known exploitation of CVE-2021-30648 in the wild and no public exploit code.
Sources
Also known as GHSA-23p9-49c6-fm5w.