Important CVSS 7.5 EPSS 0.73741 2019-11 archive

Executive Summary

A spoofing vulnerability exists when Azure Stack fails to validate certain requests. An attacker who successfully exploited the vulnerability could make requests to internal Azure Stack resources. An attacker could exploit the vulnerability by sending a specially crafted request to the Azure Stack user portal. The update addresses the vulnerability by changing how Azure Stack handles certain requests.

Overview

7.5
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Spoofing
Released Nov 12 2019
Last Updated Nov 12 2019
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.73741 — 0.99418 percentile
NVD CVSS 7.5 HIGH — differs from MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged

EPSS Score

0.73741
probability of exploitation in the next 30 days
0.99418 percentile - updated 2026-07-25
View on FIRST.org

Affected Products

1 affected product
Product KB Article Severity Impact Restart Required
Azure Stack Release Notes (Security Update) Important Spoofing Yes

Patches

1 patch
Article Type Restart
Release Notes Security Update Yes

Known Exploits

Acknowledgments

Ronen Shustin of Check Point Research