CVE-2020-8243 Ivanti Pulse Connect Secure Code Execution
An authenticated attacker can upload a custom template to the admin interface to execute arbitrary code on Pulse Connect Secure devices.
- Exploited in the wild
- Since 3 Nov 2021
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-8243?
CVE-2020-8243 is a high-severity code injection vulnerability in Ivanti Connect Secure, published on 29 Sep 2020. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability in the Pulse Connect Secure < 9.1R8.2 admin web interface could allow an authenticated attacker to upload custom template to perform an arbitrary code execution.
Weakness: CWE-94
Which versions are affected by CVE-2020-8243?
It affects 2 products.
Products include Ivanti Connect Secure, Ivanti Policy Secure.
How do I fix CVE-2020-8243?
No fix has been published for CVE-2020-8243 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2020-8243 being exploited?
Yes. Attackers have exploited CVE-2020-8243 in the wild since at least 3 Nov 2021.
Other vulnerabilities in Ivanti Connect Secure
- CVE-2021-22893 Ivanti Pulse Connect Secure Use-After-Free
- CVE-2019-11510 Ivanti Pulse Connect Secure Arbitrary File Read
- CVE-2024-21887 Ivanti Connect Secure and Policy Secure Command Injection
- CVE-2025-22457 Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow
- CVE-2025-0282 Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow
Sources
Also known as GHSA-87wj-wph2-98g5.