CVE-2023-47267

Name: CVE-2023-47267
Creator: NVD / NIST
Published: 2023-12-19T22:15:08.06+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2023-47267 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue discovered in TheGreenBow Windows Enterprise Certified VPN Client 6.52, Windows Standard VPN Client 6.87, and Windows Enterprise VPN Client 6.87 allows attackers to gain escalated privileges via crafted changes to memory mapped file.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

An issue discovered in TheGreenBow Windows Enterprise Certified VPN Client 6.52, Windows Standard VPN Client 6.87, and Windows Enterprise VPN Client 6.87 allows attackers to gain escalated privileges via crafted changes to memory mapped file.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.75%

50.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Thegreenbow	Thegreenbow Vpn Client	>= 6.52.004, < 6.52.006
Thegreenbow	Thegreenbow Vpn Client	>= 6.87.001, < 6.87.108
Thegreenbow	Thegreenbow Vpn Client	>= 6.87.001, < 6.87.109

References

https://www.thegreenbow.com/en/support/security-alerts/#deeplink-16093Vendor Advisory
https://www.thegreenbow.com/en/support/security-alerts/#deeplink-16093Vendor Advisory

Timeline

Published: Dec 19, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-47267?

How severe is CVE-2023-47267?

CVE-2023-47267 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2023-47267?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-47267?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST