CVE-2020-8255 Path traversal in Pulse Connect Secure / Pulse Policy Secure

Medium 4.9 Published Updated

An authenticated attacker can read arbitrary files from the Pulse Connect Secure admin interface due to insufficient input validation.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-8255?

CVE-2020-8255 is a medium-severity path traversal vulnerability in Pulse Connect Secure / Pulse Policy Secure, published on 28 Oct 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A vulnerability in the Pulse Connect Secure < 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary file reading vulnerability is fixed using encrypted URL blacklisting that prevents these messages.

Weakness: CWE-20

Which versions are affected by CVE-2020-8255?

It affects 1 product.

Products include Pulsesecure Pulse Secure Desktop Client.

How do I fix CVE-2020-8255?

No fix has been published for CVE-2020-8255 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2020-8255 being exploited?

There is no known exploitation of CVE-2020-8255 in the wild and no public exploit code.

Sources

Also known as GHSA-4m7r-69vr-gmv2.

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