CVE-2023-38543 Denial of service in Secure Access Client Windows
A locally authenticated attacker can cause a denial of service on the user machine by exploiting a vulnerable configuration in the Ivanti Secure Access Client.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-38543?
CVE-2023-38543 is a high-severity denial of service vulnerability in Ivanti Secure Access Client Windows, published on 14 Nov 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability exists on all versions of the Ivanti Secure Access Client below 22.6R1.1, which could allow a locally authenticated attacker to exploit a vulnerable configuration, potentially leading to a denial of service (DoS) condition on the user machine.
Weakness: CWE-770
Which versions are affected by CVE-2023-38543?
It affects 1 product.
Products include Ivanti Secure Access Client.
How do I fix CVE-2023-38543?
No fix has been published for CVE-2023-38543 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-2023-38543 being exploited?
There is no known exploitation of CVE-2023-38543 in the wild and no public exploit code.
Other vulnerabilities in Ivanti Secure Access Client Windows
Sources
Also known as GHSA-hrgc-qp5r-xq3p.