CVE-2023-36019CWE-73

Microsoft Power Platform Connector Spoofing Vulnerability

Critical · published December 12, 2023

CVSS v3.1
9.6
EPSS
16%
Percentile
96.9
In the wild
Unconfirmed
What it is

🚨 A sneaky spoofing vulnerability in Microsoft Power Platform could let an attacker impersonate trusted applications! 🔥 Think of it like a cleverly disguised pizza delivery person showing up at your door and claiming they have your order — if you’re not careful, they might take your valuables instead of delivering dinner! With this vulnerability, an attacker could impersonate service connectors, potentially tricking users into giving up sensitive data or access to critical systems. If exploited, it could lead to unauthorized actions taken on behalf of users, leaving your network wide open to devastating breaches!

Put simply

Think of it like a cleverly disguised pizza delivery person showing up at your door and claiming they have your order — if you’re not careful, they might take your valuables instead of delivering dinner! This vulnerability allows attackers to spoof trusted Power Platform connectors, manipulating them to appear as valid applications without proper verification. This can mislead users into authenticating or providing sensitive information.

What to do

With this vulnerability, an attacker could impersonate service connectors, potentially tricking users into giving up sensitive data or access to critical systems. If exploited, it could lead to unauthorized actions taken on behalf of users, leaving your network wide open to devastating breaches! To mitigate this threat, ensure all Power Platform connectors are updated to the latest versions and enable strict validation checks for connector authentication. Regularly audit your application's permissions and monitor for any unusual access patterns. You've got this! By taking these steps, you'll shore up your defenses and keep your data safe. 🛡️

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.15848 · 96.9th percentile
Weakness
CWE-73 · External Control of File Name or Path
Published
2023-12-12T18:10Z
EPSS history
Timeline
  • 12 DEC 18:10Z
    Microsoft Power Platform Connector Spoofing Vulnerability
    cvelistv5