CVE-2019-1895CWE-306

CVE-2019-1895

Critical · published August 8, 2019

CVSS v3.1
9.8
EPSS
2%
Percentile
83.2
In the wild
Unconfirmed
What it is

🚨 A sneaky vulnerability in Cisco's VNC console could let an outsider eavesdrop on admin sessions without breaking a sweat! Think of it like a hotel where a guest could overhear everything happening in the manager's office without needing a key — all because there's no lock on the door! This vulnerability opens the door for attackers to watch, and even interact with, the administrative console of affected devices. Imagine a malicious actor having the freedom to manipulate settings or extract sensitive information while your attention is elsewhere — it’s absolutely devastating!

Put simply

Think of it like a hotel where a guest could overhear everything happening in the manager's office without needing a key — all because there's no lock on the door! The issue arises from an insufficient authentication mechanism in the VNC session of Cisco Enterprise NFV Infrastructure Software (NFVIS), allowing unauthenticated remote access to the console of administrative users.

What to do

This vulnerability opens the door for attackers to watch, and even interact with, the administrative console of affected devices. Imagine a malicious actor having the freedom to manipulate settings or extract sensitive information while your attention is elsewhere — it’s absolutely devastating! To tackle this, immediately apply the latest security patch from Cisco, review all access controls, and ensure that VNC sessions are secured with proper authentication methods. Don't wait — this is critical! You got this! By taking quick action, you can lock this vulnerability down and keep your systems safe. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02304 · 83.2th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2019-08-08T01:15Z
Affected products (1)
ProductVersionsFixed in
cisco/enterprise_nfv_infrastructure_software< 3.12.13.12.1
References (2)
EPSS history
Timeline
  • 07 AUG 20:55Z
    Cisco Enterprise NFV Infrastructure Software VNC Authentication Bypass Vulnerability
    cvelistv5