CVE-2021-23155CWE-296

Improper validation of the cloud certificate chain in Mobile Client allows man-in-the-middle attack to impersonate the legitimate Command Centre Server

Critical ยท published November 18, 2021

CVSS v3.1
9.0
EPSS
0%
Percentile
40.6
In the wild
Unconfirmed
What it is

๐Ÿšจ A man-in-the-middle attack is just a certificate chain validation blunder away! ๐Ÿคฏ This vulnerability in Gallagher Command Centre Mobile Client could let attackers impersonate the legitimate server! Think of it like a trusted phone call where the caller ID isn't checked โ€” you might believe you're talking to your bank, while a sneaky imposter is really on the line, ready to take your info! ๐Ÿ“ž If exploited, attackers could intercept communications meant for the Command Centre, potentially gaining access to sensitive data and system controls. This could lead to unauthorized actions, exposing the entire infrastructure to manipulation and compromise. It's a security nightmare waiting to unfold! ๐Ÿ”ฅ

Put simply

Think of it like a trusted phone call where the caller ID isn't checked โ€” you might believe you're talking to your bank, while a sneaky imposter is really on the line, ready to take your info! ๐Ÿ“ž CVE-2021-23155 stems from improper validation of the cloud certificate chain in Mobile Client, allowing attackers to pose as the legitimate Command Centre Server and intercept data.

What to do

If exploited, attackers could intercept communications meant for the Command Centre, potentially gaining access to sensitive data and system controls. This could lead to unauthorized actions, exposing the entire infrastructure to manipulation and compromise. It's a security nightmare waiting to unfold! ๐Ÿ”ฅ Immediately update the Gallagher Command Centre Mobile Client to version 8.60.065 or later. If using versions 8.50 or older, consider upgrading to ensure you're shielded from this serious vulnerability. ๐Ÿ›ก๏ธ You've got this! Follow the steps, patch up, and keep your systems secure! ๐Ÿ’ชโœจ

The record
Technical detail
CVSS v3.1
9.0 ยท CRITICAL
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00482 ยท 40.6th percentile
Weakness
CWE-296 ยท Improper Following of a Certificate's Chain of Trust
Published
2021-11-18T17:58Z
EPSS history
Timeline
  • 18 NOV 17:58Z
    Improper validation of the cloud certificate chain in Mobile Client allows man-in-the-middle attack to impersonate the legitimate Command Centre Server
    cvelistv5