CVE-2020-11582

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

An issue was discovered in Pulse Secure Pulse Connect Secure (PCS) through 2020-04-06. The applet in tncc.jar, executed on macOS, Linux, and Solaris clients when a Host Checker policy is enforced, launches a TCP server that accepts local connections on a random port. This can be reached by local HTTP clients, because up to 25 invalid lines are ignored, and because DNS rebinding can occur. (This server accepts, for example, a setcookie command that might be relevant to CVE-2020-11581 exploitation.)

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-668

Affected software

No affected versions have been published.

Timeline

Published
Apr 6, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-11582: High severity, CVSS 8.8 | Vulnix