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CVE-2023-36021

25
FAUCET Score

CVE-2023-36021 is a security feature bypass vulnerability affecting Microsoft On-Prem Data Gateway. With a CVSS score of 8.0 (HIGH), it allows an unauthenticated attacker to achieve high impact on confidentiality, integrity, and availability through a low-complexity network attack requiring user interaction. While not currently listed in CISA's KEV catalog, there is no public exploit code available, and community discussion and media coverage are minimal, indicating low current exploitation activity.

Impacted Technologies

VendorProductVersion(s)CPE
< 3000.198.9CPE matchmatch criteria
cpe:2.3:a:microsoft:on-prem_data_gateway:*:*:*:*:*:*:*:*
>= 1.0.0, < 3000.198.9CPE match
cpe:2.3:a:microsoft:on-prem_data_gateway:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.0HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.1
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.70%
Probability of exploitation in next 30 days
EPSS Percentile
74.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0170 is in the 90th percentile among its peer group of 890 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: On-Prem Data GatewayFixed in: 3000.198.9
View patch

Vendor Advisories (1)

microsoft2023-Nov/CVE-2023-36021Important

Microsoft On-Prem Data Gateway Security Feature Bypass Vulnerability

Nov 14, 2023

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2023-36021
PatchThird Party AdvisoryVendor Advisory