CVE-2020-8239

A vulnerability in the Pulse Secure Desktop Client < 9.1R9 is vulnerable to the client registry privilege escalation attack

published October 28, 2020

CVSS
—
EPSS
2%
Percentile
80.8
In the wild
Unconfirmed
What it is

⚠️ A privilege escalation vulnerability lurks in the Pulse Secure Desktop Client versions below 9.1R9 — like inviting a party crasher to run the show! 🎉 Think of it as a concert where someone sneaks backstage without a pass, allowing them to mess with the sound system. This flaw lets an attacker gain higher privileges and control over the system, just like a rogue stage manager with too much power. If exploited, this vulnerability could allow an attacker to elevate their privileges, giving them access to sensitive information or the ability to manipulate system settings — a potentially disastrous situation! While it’s not currently known to be exploited, it’s best to stay ahead of the game.

Put simply

Think of it as a concert where someone sneaks backstage without a pass, allowing them to mess with the sound system. This flaw lets an attacker gain higher privileges and control over the system, just like a rogue stage manager with too much power. This vulnerability arises from improper handling of client registry permissions, enabling an attacker with low-level access to elevate their privileges and gain greater control over the system.

What to do

If exploited, this vulnerability could allow an attacker to elevate their privileges, giving them access to sensitive information or the ability to manipulate system settings — a potentially disastrous situation! While it’s not currently known to be exploited, it’s best to stay ahead of the game. To protect your systems, upgrade to Pulse Secure Desktop Client version 9.1R9 or later. Additionally, ensure that your server side is also upgraded, as this vulnerability requires server cooperation to mitigate. It's crucial to audit any existing configurations to identify risks. You've got this! With these steps, you'll be well on your way to securing your systems and keeping those party crashers out! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02022 · 80.8th percentile
Published
2020-10-28T12:46Z
EPSS history
Timeline
  • 28 OCT 12:46Z
    A vulnerability in the Pulse Secure Desktop Client < 9.1R9 is vulnerable to the client registry privilege escalation attack
    cvelistv5