CVE-2019-11540 Auth bypass in n/a
Unauthenticated remote attackers can hijack sessions in Pulse Secure Pulse Connect Secure and Policy Secure, leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-11540?
CVE-2019-11540 is a high-severity authentication bypass vulnerability in Ivanti Connect Secure, published on 26 Apr 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4 and 8.3RX before 8.3R7.1 and Pulse Policy Secure version 9.0RX before 9.0R3.2 and 5.4RX before 5.4R7.1, an unauthenticated, remote attacker can conduct a session hijacking attack.
Which versions are affected by CVE-2019-11540?
It affects 3 products.
Products include Ivanti Connect Secure, Pulsesecure Pulse Connect Secure, Pulsesecure Pulse Policy Secure.
How do I fix CVE-2019-11540?
No fix has been published for CVE-2019-11540 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2019-11540 being exploited?
There is no known exploitation of CVE-2019-11540 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-rp2c-496x-gf5c.