CVE-2023-20192CWE-20

Cisco Expressway Series and Cisco TelePresence Video Communication Server Privilege Escalation Vulnerabilities

Critical · published June 28, 2023

CVSS v3.1
9.6
EPSS
1%
Percentile
50.8
In the wild
Unconfirmed
What it is

🔥 A sneaky privilege escalation flaw lurks in Cisco's software, allowing an authenticated admin to morph into a super admin with just a few clever moves! 😱 Think of it like a hotel where a bellhop with limited access suddenly discovers a master key that opens all the rooms — they can now access everything without anyone being the wiser! 🏨 If exploited, this vulnerability could allow an attacker to gain full administrator access, leading to potentially devastating consequences, like accessing sensitive data, altering configurations, or even taking control of the entire communication infrastructure. The implications for privacy and security could be absolutely devastating! ⚡

Put simply

Think of it like a hotel where a bellhop with limited access suddenly discovers a master key that opens all the rooms — they can now access everything without anyone being the wiser! 🏨 This vulnerability in Cisco Expressway Series and TelePresence VCS lets an authenticated user with read-only admin credentials elevate their permissions to read-write, effectively bypassing intended access controls and allowing unauthorized changes to the system.

What to do

If exploited, this vulnerability could allow an attacker to gain full administrator access, leading to potentially devastating consequences, like accessing sensitive data, altering configurations, or even taking control of the entire communication infrastructure. The implications for privacy and security could be absolutely devastating! ⚡ Administrators should immediately upgrade all affected Cisco systems to the latest patched versions released by Cisco to close this critical loophole. Review your user roles to ensure that only necessary permissions are granted, and conduct an audit of existing administrative accounts. 🛡️ You've got this! Follow the steps to secure your systems, and you'll bolster your defenses in no time! 💪✨

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00656 · 50.8th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2023-06-28T00:00Z
EPSS history
Timeline
  • 28 JUN 00:00Z
    Cisco Expressway Series and Cisco TelePresence Video Communication Server Privilege Escalation Vulnerabilities
    cvelistv5