HIGH

CVE-2020-11581

CVSS v3

8.1

HIGH

EPSS Score

39.3%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

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, allows a man-in-the-middle attacker to perform OS command injection attacks (against a client) via shell metacharacters to the doCustomRemediateInstructions method, because Runtime.getRuntime().exec() is used.

Technical details

Published
4/6/2020

Frequently asked questions

What is CVE-2020-11581?

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, allows a man-in-the-middle attacker to perform OS command injection attacks (against a client) via shell metacharacters to the doCustomRemediateInstructions method, because Runtime.getRuntime().exec() is used.

Is CVE-2020-11581 actively exploited?

Active exploitation of CVE-2020-11581 has not been confirmed. The EPSS score is 39.3%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-11581?

CVE-2020-11581 has a CVSS v3 base score of 8.1 (HIGH severity).

Is CVE-2020-11581 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.