CVE-2018-20810 Weak cryptography in n/a
Attackers can read session data between cluster nodes due to lack of encryption, requiring cluster configuration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-20810?
CVE-2018-20810 is a critical vulnerability in Ivanti Connect Secure, published on 16 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Session data between cluster nodes during cluster synchronization is not properly encrypted in Pulse Secure Pulse Connect Secure (PCS) 8.3RX before 8.3R2 and Pulse Policy Secure (PPS) 5.4RX before 5.4R2. This is not applicable to PCS 8.1RX, PPS 5.2RX, or stand-alone devices.
Weakness: CWE-326
Which versions are affected by CVE-2018-20810?
It affects 2 products.
Products include Ivanti Connect Secure, Pulsesecure Pulse Policy Secure.
How do I fix CVE-2018-20810?
No fix has been published for CVE-2018-20810 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-20810 being exploited?
There is no known exploitation of CVE-2018-20810 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-g8vh-4gxx-phq3.