CVE-2020-8243KEV · OVERDUECWE-94

Ivanti Pulse Connect Secure Code Execution Vulnerability

High · published September 29, 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 99.8th percentile for exploit probability.

1634
days past CISA
deadline
CVSS v3.1
7.2
EPSS
91%
Percentile
99.8
In the wild
Confirmed
What it is

🚨 This vulnerability lets authenticated attackers serve themselves a custom template, leading to full arbitrary code execution! 🔥 Think of it like giving someone a key to your kitchen and trusting them not to bake a pie filled with chaos — you never know what might come out of the oven! 🍰 If exploited, an attacker could use this vulnerability to run malicious code on the server, which might result in data theft, system compromise, or even destruction of critical resources. It’s a scenario that could quickly escalate from a minor annoyance to a full-blown crisis!

Put simply

Think of it like giving someone a key to your kitchen and trusting them not to bake a pie filled with chaos — you never know what might come out of the oven! 🍰 This vulnerability in the Pulse Connect Secure admin web interface allows authenticated users to upload custom templates without proper sanitation, enabling arbitrary code execution on the server.

What to do

If exploited, an attacker could use this vulnerability to run malicious code on the server, which might result in data theft, system compromise, or even destruction of critical resources. It’s a scenario that could quickly escalate from a minor annoyance to a full-blown crisis! To secure your system, patch to version 9.1R8.2 or later immediately. Additionally, review your user permissions and restrict access to the admin interface to trusted personnel only. Regular audits of uploaded templates can also help in mitigating risks. You've got this! Take these steps and you'll bolster your defenses in no time! 🛡️

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
0.90759 · 99.8th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2020-09-29T13:44Z
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
  • 29 SEP 13:44Z
    A vulnerability in the Pulse Connect Secure < 9.1R8.2 admin web interface could allow an authenticated attacker to upload custom template to perform an…
    cvelistv5