CVE-2021-22934 Memory corruption in Pulse Connect Secure
An authenticated administrator or compromised device in a load-balanced configuration can trigger a buffer overflow via a malicious web request, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-22934?
CVE-2021-22934 is a high-severity memory corruption vulnerability in Ivanti Connect Secure, published on 16 Aug 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability in Pulse Connect Secure before 9.1R12 could allow an authenticated administrator or compromised Pulse Connect Secure device in a load-balanced configuration to perform a buffer overflow via a malicious crafted web request.
Weakness: CWE-120
Which versions are affected by CVE-2021-22934?
It affects 2 products.
Products include Ivanti Connect Secure, Pulsesecure Pulse Connect Secure.
How do I fix CVE-2021-22934?
No fix has been published for CVE-2021-22934 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-22934 being exploited?
There is no known exploitation of CVE-2021-22934 in the wild and no public exploit code.
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-cwvr-8j54-7jwh.