CVE-2021-35498

TIBCO EBX Insecure Login Mechanism

Critical · published October 13, 2021

CVSS v3.1
9.8
EPSS
1%
Percentile
70.5
In the wild
Unconfirmed
What it is

🔥 A vulnerability in TIBCO EBX is like having a bouncer at a nightclub who accidentally lets in anyone waving any random ID—an attacker can get in with a password that’s not the real deal! Imagine a restaurant where the waiter never checks your order against the menu—if you just say ‘filet mignon’, they’ll serve it up without a second glance! This flaw in TIBCO EBX means any password can be accepted, as long as it meets the system’s basic criteria. An attacker could gain access to sensitive data, change configurations, or even disrupt services using an unauthorized password. This could lead to absolutely devastating consequences for businesses, including data breaches and significant downtime. Protecting your resources from unauthorized access is critical!

Put simply

Imagine a restaurant where the waiter never checks your order against the menu—if you just say ‘filet mignon’, they’ll serve it up without a second glance! This flaw in TIBCO EBX means any password can be accepted, as long as it meets the system’s basic criteria. This vulnerability allows an attacker to authenticate using an invalid password due to insufficient validation in the TIBCO EBX Web Server component, impacting multiple versions of the software.

What to do

An attacker could gain access to sensitive data, change configurations, or even disrupt services using an unauthorized password. This could lead to absolutely devastating consequences for businesses, including data breaches and significant downtime. Protecting your resources from unauthorized access is critical! Patch your TIBCO EBX installations to versions 5.9.15 or above, or upgrade to the latest release in the 6.x series. Review your security practices and ensure that all user access policies are enforced rigorously. Don’t forget to train staff on recognizing potential social engineering attacks! You're on top of this! Take these steps, and you’ll be a security hero in no time! 🦸‍♂️

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
0.01313 · 70.5th percentile
Published
2021-10-13T16:55Z
EPSS history
Timeline
  • 13 OCT 16:55Z
    TIBCO EBX Insecure Login Mechanism
    cvelistv5