What’s Vulnerable › Vulnerabilities

CVE-2020-8249

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-28 · updated 2026-06-17
• Weakness: CWE-120

Description

A vulnerability in the Pulse Secure Desktop Client (Linux) < 9.1R9 could allow local attackers to perform buffer overflow.

Affected products

• Pulse Secure Desktop Client: before 9.1; 9.1-r1, 9.1-r2, 9.1-r3, 9.1-r3.1, 9.1-r4, 9.1-r4.1 (+7) — fixed in 9.1

How to fix

Upgrade to a fixed version: Pulse Secure Desktop Client 9.1. Check the vendor advisory for mitigations.

References

• https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601
• https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601

Get alerted when CVE-2020-8249 or the next vulnerability affects your stack