CVE-2022-36981CWE-22

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ivanti Avalanche 6.3.3.101

High · published March 29, 2023

Patch now

High probability of exploitation

CVSS calls it high at 8.8. It sits in the 99.7th percentile for exploit probability.

CVSS v3.0
8.8
EPSS
83%
Percentile
99.7
In the wild
Unconfirmed
What it is

⚡ An authentication bypass vulnerability lurks in Ivanti Avalanche 6.3.3.101, allowing remote attackers to execute arbitrary code by playing tricks on file operations! 🔍 Think of it like a hotel where a guest forges a reservation to access the staff-only areas. The lack of proper checks on the path allows attackers to sneak into places they shouldn’t be! 🚪 If exploited, an attacker could run malicious code under the service account, potentially leading to unauthorized access and manipulation of sensitive data. This could be absolutely devastating, opening the door to further attacks on your network! 🔓

Put simply

Think of it like a hotel where a guest forges a reservation to access the staff-only areas. The lack of proper checks on the path allows attackers to sneak into places they shouldn’t be! 🚪 The flaw exists in the DeviceLogResource class, where insufficient validation of a user-supplied path allows attackers to bypass authentication and execute arbitrary code in file operations.

What to do

If exploited, an attacker could run malicious code under the service account, potentially leading to unauthorized access and manipulation of sensitive data. This could be absolutely devastating, opening the door to further attacks on your network! 🔓 Immediately patch to the latest version of Ivanti Avalanche to close this vulnerability. Additionally, review authentication mechanisms and implement stricter validation on user inputs to safeguard against similar exploits. 🛡️ You can tackle this! Follow these steps, and you’ll enhance your security posture in no time! 🚀

The record
Technical detail
CVSS v3.0
8.8 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.83436 · 99.7th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2023-03-29T00:00Z
EPSS history
Timeline
  • 29 MAR 00:00Z
    This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ivanti Avalanche 6.3.3.101
    cvelistv5