CVE-2021-22900 Ivanti Pulse Connect Secure Unrestricted File Upload
An authenticated administrator can upload malicious archives to write files, potentially leading to code execution 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-2021-22900?
CVE-2021-22900 is a high-severity vulnerability in Ivanti Connect Secure, published on 27 May 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability allowed multiple unrestricted uploads in Pulse Connect Secure before 9.1R11.4 that could lead to an authenticated administrator to perform a file write via a maliciously crafted archive upload in the administrator web interface.
Which versions are affected by CVE-2021-22900?
It affects 2 products.
Products include Ivanti Connect Secure, Pulsesecure Pulse Connect Secure.
How do I fix CVE-2021-22900?
No fix has been published for CVE-2021-22900 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.
Is CVE-2021-22900 being exploited?
Yes. Attackers have exploited CVE-2021-22900 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-j8cw-m86f-rxgw.