CVE-2020-8260 Ivanti Pulse Connect Secure Code Execution
An authenticated attacker can execute arbitrary code via uncontrolled gzip extraction in the Pulse Connect Secure admin interface.
- 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-2020-8260?
CVE-2020-8260 is a high-severity vulnerability in Ivanti Connect Secure, published on 28 Oct 2020. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability in the Pulse Connect Secure < 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary code execution using uncontrolled gzip extraction.
Weakness: CWE-434
Which versions are affected by CVE-2020-8260?
It affects 1 product.
Products include Ivanti Connect Secure.
How do I fix CVE-2020-8260?
No fix has been published for CVE-2020-8260 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.
Is CVE-2020-8260 being exploited?
Yes. Attackers have exploited CVE-2020-8260 in the wild since at least 3 Nov 2021.
Public exploit code: 1 Metasploit module.
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-mc4h-hp66-ccmh.