CVE-2020-11581 Command injection in n/a

High 8.1 Published Updated

A man-in-the-middle attacker can execute arbitrary OS commands on Pulse Secure clients via the Host Checker applet.

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-2020-11581?

CVE-2020-11581 is a high-severity command injection vulnerability in Pulsesecure Pulse Connect Secure, published on 6 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-78

Which versions are affected by CVE-2020-11581?

It affects 2 products.

Products include Pulsesecure Pulse Connect Secure, Pulsesecure Pulse Policy Secure.

How do I fix CVE-2020-11581?

No fix has been published for CVE-2020-11581 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2020-11581 being exploited?

There is no known exploitation of CVE-2020-11581 in the wild and no public exploit code.

All Pulsesecure Pulse Connect Secure vulnerabilities

Sources

Also known as GHSA-7xjp-88f4-r966.

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