CVE-2023-30803 Sangfor Next-Gen Application Firewall Authentication Bypass

Critical 9.8 Published Updated

Remote attackers can bypass authentication and access administrative functions by sending crafted HTTP headers, requiring immediate patching.

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-2023-30803?

CVE-2023-30803 is a critical authentication bypass vulnerability in Sangfor Net-Gen Application Firewall, published on 10 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authentication bypass vulnerability. A remote and unauthenticated attacker can bypass authentication and access administrative functionality by sending HTTP requests using a crafted Y-forwarded-for header.

Weakness: CWE-290

Which versions are affected by CVE-2023-30803?

It affects 1 product.

Products include Sangfor Next-Gen Application Firewall.

How do I fix CVE-2023-30803?

No fix has been published for CVE-2023-30803 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-2023-30803 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-30803 exists.

Sources

Also known as GHSA-rch9-592x-rrw8.

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