CVE-2020-8479CWE-91

ABB Central Licensing System - XML External Entity Injection

Critical · published April 29, 2020

CVSS v3.1
9.4
EPSS
2%
Percentile
82.8
In the wild
Unconfirmed
What it is

🚨 An XML External Entity Injection vulnerability is lurking in ABB's Central Licensing Server, and it can be weaponized to read sensitive files or block license handling! 🔥 Think of it like a hotel receptionist who can not only peek into the guest records but also hold registrations hostage — if they decide to stop checking guests in, chaos ensues! 📋 This flaw could allow an attacker to access arbitrary files from the license server or the network, potentially leading to critical operational disruptions. Imagine being unable to access essential licenses or files at the worst possible moment — it’s an absolute nightmare for any organization relying on these systems!

Put simply

Think of it like a hotel receptionist who can not only peek into the guest records but also hold registrations hostage — if they decide to stop checking guests in, chaos ensues! 📋 This vulnerability allows attackers to exploit the way the Central Licensing Server processes XML inputs, leading to unauthorized file access and even license blocking capabilities.

What to do

This flaw could allow an attacker to access arbitrary files from the license server or the network, potentially leading to critical operational disruptions. Imagine being unable to access essential licenses or files at the worst possible moment — it’s an absolute nightmare for any organization relying on these systems! Immediately update to the fixed versions of the affected ABB products. Ensure that your XML input validation is robust, and consider implementing network segmentation to minimize exposure. Running checks on all related systems to identify any possible exploitation vectors is also crucial. You've got this! Follow these steps, and you’ll be back in action with your defenses strengthened. 🛡️

The record
Technical detail
CVSS v3.1
9.4 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.02259 · 82.8th percentile
Weakness
CWE-91 · XML Injection (aka Blind XPath Injection)
Published
2020-04-29T00:00Z
EPSS history
Timeline
  • 29 APR 00:00Z
    ABB Central Licensing System - XML External Entity Injection
    cvelistv5