CVE-2021-42128CWE-749

An exposed dangerous function vulnerability exists in Ivanti Avalanche before 6.3.3 using inforail Service allows Privilege Escalation via Enterprise Server…

published December 7, 2021

CVSS
—
EPSS
5%
Percentile
91.7
In the wild
Unconfirmed
What it is

⚠️ A wayward function could let users take control where they shouldn't! This exposed vulnerability in Ivanti Avalanche opens the door for Privilege Escalation through the Enterprise Server Service. 🔥 Think of it like a hotel where a guest discovers a hidden service entrance — they can slip into restricted areas and access the VIP lounge without a keycard! That's exactly what this vulnerability allows for some savvy user. 🏨 If exploited, an attacker could elevate their own permissions and access sensitive areas of the system, potentially compromising important data and operations. It’s like handing over the master key to someone who only had a room key — chaos could ensue!

Put simply

Think of it like a hotel where a guest discovers a hidden service entrance — they can slip into restricted areas and access the VIP lounge without a keycard! That's exactly what this vulnerability allows for some savvy user. 🏨 This vulnerability exists in Ivanti Avalanche before version 6.3.3, where an exposed function allows users to escalate privileges via the Enterprise Server Service, leading to unauthorized access.

What to do

If exploited, an attacker could elevate their own permissions and access sensitive areas of the system, potentially compromising important data and operations. It’s like handing over the master key to someone who only had a room key — chaos could ensue! To protect your system, patch to Ivanti Avalanche version 6.3.3 or later as soon as possible. Review access controls to ensure that only authorized users have the necessary permissions. 🔍 You've got this, security hero! Follow these steps, and you'll be well on your way to securing your system. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04647 · 91.7th percentile
Weakness
CWE-749 · Exposed Dangerous Method or Function
Published
2021-12-07T13:13Z
EPSS history
Timeline
  • 07 DEC 13:13Z
    An exposed dangerous function vulnerability exists in Ivanti Avalanche before 6.3.3 using inforail Service allows Privilege Escalation via Enterprise Server…
    cvelistv5