CVE-2022-36977CWE-502

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ivanti Avalanche 6.3.2.3490

Critical · published March 29, 2023

CVSS v3.0
9.8
EPSS
7%
Percentile
93.9
In the wild
Unconfirmed
What it is

🔥 A remote attacker could exploit Ivanti Avalanche 6.3.2.3490 with just a crafty twist! This is not just a silly oversight; it’s a critical vulnerability that could give someone a free pass to execute arbitrary code! Think of it like a kitchen where the head chef always trusts the sous chefs to deliver fresh ingredients. If one of those sous chefs sneaks in spoiled food, it could ruin the entire restaurant’s menu—this flaw in the Certificate Management Server service lets attackers serve up a side of chaos without a proper check! An attacker could bypass authentication and execute any code in the context of the service account. This means they could potentially take control of sensitive operations, alter critical configurations, or even compromise data integrity. The consequences could be absolutely devastating for organizations relying on this solution!

Put simply

Think of it like a kitchen where the head chef always trusts the sous chefs to deliver fresh ingredients. If one of those sous chefs sneaks in spoiled food, it could ruin the entire restaurant’s menu—this flaw in the Certificate Management Server service lets attackers serve up a side of chaos without a proper check! The vulnerability arises from improper validation of user-supplied data within the Certificate Management Server service, allowing deserialization of untrusted data. This flaw enables attackers to execute arbitrary code despite the need for authentication.

What to do

An attacker could bypass authentication and execute any code in the context of the service account. This means they could potentially take control of sensitive operations, alter critical configurations, or even compromise data integrity. The consequences could be absolutely devastating for organizations relying on this solution! Immediate action is crucial! Update to Ivanti Avalanche version 6.3.2.3491 or later to patch this vulnerability. Audit your authentication mechanisms to ensure they are robust enough to prevent bypasses in the future. You’ve got this! By following these steps, you can secure your systems and emerge as a security hero! 🦸‍♂️

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.06708 · 93.9th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
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 6.3.2.3490
    cvelistv5