CVE-2019-19104CWE-287

ABB/Busch-Jaeger Telephone Gateway TG/S 3.2 Improper Authentication and Access Control

Critical · published April 22, 2020

CVSS v3.1
9.1
EPSS
1%
Percentile
72.4
In the wild
Unconfirmed
What it is

🚨 This vulnerability lets attackers waltz through unguarded doorways in ABB Telephone Gateways, accessing sensitive endpoints without breaking a sweat! 🔥 Think of this vulnerability like a hotel with several unlocked rooms — a guest could simply stroll down the corridor and peek inside any room without a keycard. Here, the web server acts like a negligent hotel manager, allowing anyone who knows the specific URL to enter areas they shouldn’t. This could lead to an attacker obtaining sensitive information that opens the door to further attacks or even privilege escalation, allowing them to take control of systems they shouldn’t have access to! It’s like finding a master key that grants entry to every room in the hotel!

Put simply

Think of this vulnerability like a hotel with several unlocked rooms — a guest could simply stroll down the corridor and peek inside any room without a keycard. Here, the web server acts like a negligent hotel manager, allowing anyone who knows the specific URL to enter areas they shouldn’t. This issue in the ABB Telephone Gateway TG/S 3.2 and Busch-Jaeger 6186/11 allows unauthorized access to various application endpoints by bypassing access control lists (ACLs) — no authentication required.

What to do

This could lead to an attacker obtaining sensitive information that opens the door to further attacks or even privilege escalation, allowing them to take control of systems they shouldn’t have access to! It’s like finding a master key that grants entry to every room in the hotel! To secure your systems, patch the affected devices to the latest version immediately and implement proper ACL rules to restrict endpoint access. Regularly audit your configurations to ensure only authorized access is allowed! You've got this! Fixing this vulnerability is crucial, but with these steps, you'll be reinforcing your security fort like a pro! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.01408 · 72.4th percentile
Weakness
CWE-287 · Improper Authentication
Published
2020-04-22T14:31Z
EPSS history
Timeline
  • 22 APR 14:31Z
    ABB/Busch-Jaeger Telephone Gateway TG/S 3.2 Improper Authentication and Access Control
    cvelistv5