CVE-2025-59596 Denial of service in Secure Access
Adjacent network attackers can crash the Secure Access Windows client by sending crafted packets when a local networking policy is active.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-59596?
CVE-2025-59596 is a medium-severity denial of service vulnerability in Absolute Secure Access, published on 4 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
CVE-2025-59596 is a denial-of-service vulnerability in Secure Access Windows client versions 12.0 to 14.10 that is addressed in version 14.12. If a local networking policy is active, attackers on an adjacent network may be able to send a crafted packet and cause the client system to crash.
Weakness: CWE-20
Which versions are affected by CVE-2025-59596?
It affects 1 product.
Products include Absolute Secure Access.
How do I fix CVE-2025-59596?
No fix has been published for CVE-2025-59596 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-2025-59596 being exploited?
There is no known exploitation of CVE-2025-59596 in the wild and no public exploit code.
Other vulnerabilities in Absolute Secure Access
- CVE-2026-55402 Denial of service in Secure Access
- CVE-2026-33445 Memory management vulnerability in Secure Access servers
- CVE-2025-49080 Memory management vulnerability in Absolute Secure Access server versions 9.0 to 13.54
- CVE-2026-40952 Privilge misconfiguration in Secure Access installers
- CVE-2026-33451 Arbitrary read/write vulnerability in Windows clients prior to 14.50
Sources
Also known as GHSA-r879-mf96-p9qf.