CVE-2020-27127CWE-201

Cisco Jabber Desktop and Mobile Client Software Vulnerabilities

Critical · published December 11, 2020

CVSS v3.1
9.9
EPSS
1%
Percentile
71.3
In the wild
Unconfirmed
What it is

🚨 A trifecta of vulnerabilities in Cisco Jabber is leaving doors wide open! These flaws could let attackers execute programs with elevated privileges — and that’s just the start. 🔥 Think of it like a restaurant that forgot to check the identity of its delivery drivers. Anyone could just walk in, whip up a dish in the kitchen, and serve it to unsuspecting customers — a recipe for disaster! The consequences here could be absolutely devastating! An attacker could not only run arbitrary programs on the operating system but also gain access to sensitive information stored on the device. This opens the door to data theft, unauthorized changes, or even complete system compromise — yikes!

Put simply

Think of it like a restaurant that forgot to check the identity of its delivery drivers. Anyone could just walk in, whip up a dish in the kitchen, and serve it to unsuspecting customers — a recipe for disaster! The vulnerabilities in Cisco Jabber for Windows, MacOS, and mobile platforms allow untrusted code execution owing to improper input validation and insufficient security controls. Attackers can exploit these weaknesses to elevate their privileges and perform unauthorized actions.

What to do

The consequences here could be absolutely devastating! An attacker could not only run arbitrary programs on the operating system but also gain access to sensitive information stored on the device. This opens the door to data theft, unauthorized changes, or even complete system compromise — yikes! Immediately update Cisco Jabber to the latest version available, which addresses these vulnerabilities. Conduct a thorough audit of your systems to ensure that no unauthorized programs are running, and consider implementing network segmentation to limit exposure. 🛡️ This is fixable! Follow these steps and you’ll have your systems fortified in no time. You've got this! 💪

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01351 · 71.3th percentile
Weakness
CWE-201 · Insertion of Sensitive Information Into Sent Data
Published
2020-12-11T16:40Z
EPSS history
Timeline
  • 11 DEC 16:40Z
    Cisco Jabber Desktop and Mobile Client Software Vulnerabilities
    cvelistv5