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CVE-2018-20809

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-06-28 · updated 2026-06-17
Weakness: CWE-20

Description

A crafted message can cause the web server to crash with Pulse Secure Pulse Connect Secure (PCS) 8.3RX before 8.3R5 and Pulse Policy Secure 5.4RX before 5.4R5. This is not applicable to PCS 8.1RX.

Affected products

Ivanti Connect Secure (Pulse Secure): 8.3-r1, 8.3-r2, 8.3-r2.1, 8.3-r3, 8.3-r4
Pulsesecure Pulse Policy Secure: 4.4-r1.0, 4.4-r1.1, 4.4-r10, 4.4-r11.1, 4.4-r12.0, 4.4-r13.1 (+85)

References

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