CVE-2020-8260KEV · OVERDUECWE-434

Ivanti Pulse Connect Secure Code Execution Vulnerability

High · published October 28, 2020

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.2. It is confirmed in active exploitation. It sits in the 99.9th percentile for exploit probability.

1635
days past CISA
deadline
CVSS v3.1
7.2
EPSS
96%
Percentile
99.9
In the wild
Confirmed
What it is

🚨 An authenticated attacker can unleash arbitrary code through a sneaky gzip extraction flaw in Pulse Connect Secure versions below 9.1R9! ⚡ Think of it like a delivery person who can open packages without checking the contents — if they find something suspicious, they can swap it for something malicious and send it on its way! With this vulnerability, an attacker can execute any code they choose, potentially gaining full control over your system. This could lead to data breaches and a compromised network, putting your entire operation at risk!

Put simply

Think of it like a delivery person who can open packages without checking the contents — if they find something suspicious, they can swap it for something malicious and send it on its way! This vulnerability allows authenticated attackers to exploit uncontrolled gzip extraction in the admin web interface, leading to arbitrary code execution on the server.

What to do

With this vulnerability, an attacker can execute any code they choose, potentially gaining full control over your system. This could lead to data breaches and a compromised network, putting your entire operation at risk! Immediately update Pulse Connect Secure to version 9.1R9 or later to close this security gap. Additionally, evaluate your current authentication protocols to ensure maximum user verification and minimize risks. 🛡️ You've got this! Follow these steps, and you'll be a hero in fortifying your security! 💪

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.96480 · 99.9th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2020-10-28T12:47Z
KEV added
2021-11-03 · due 2022-05-03
EPSS history
Timeline
  • 03 NOV 00:00Z
    Added to CISA KEV — remediate by May 3
    kev
  • 28 OCT 12:47Z
    A vulnerability in the Pulse Connect Secure < 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary code execution using…
    cvelistv5