CVE-2016-3656 Denial of service in n/a
Remote attackers can crash the GlobalProtect Portal service via crafted requests, requiring administrators to upgrade PAN-OS.
- 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-2016-3656?
CVE-2016-3656 is a high-severity denial of service vulnerability in Paloaltonetworks Pan-Os, published on 12 Apr 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The GlobalProtect Portal in Palo Alto Networks PAN-OS before 5.0.18, 6.0.x before 6.0.13, 6.1.x before 6.1.10, and 7.0.x before 7.0.5H2 allows remote attackers to cause a denial of service (service crash) via a crafted request.
Weakness: CWE-119
Which versions are affected by CVE-2016-3656?
It affects 1 product.
Products include Paloaltonetworks Pan-Os.
How do I fix CVE-2016-3656?
No fix has been published for CVE-2016-3656 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-3656 being exploited?
There is no known exploitation of CVE-2016-3656 in the wild and no public exploit code.
Other vulnerabilities in Paloaltonetworks Pan-Os
- CVE-2024-3400 Palo Alto Networks PAN-OS Command Injection
- CVE-2020-2021 Palo Alto Networks PAN-OS Authentication Bypass
- CVE-2017-15944 Palo Alto Networks PAN-OS Remote Code Execution
- CVE-2026-0300 Palo Alto Networks PAN-OS Out-of-bounds Write
- CVE-2024-0012 Palo Alto Networks PAN-OS Management Interface Authentication Bypass
Sources
Also known as GHSA-g92w-qq3j-8px4.