TheGreenBow Standard VPN Client on Windows memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in TheGreenBow Standard VPN Client, Enterprise Certified VPN Client and Enterprise VPN Client on Windows. It has been rated as critical. Affected by this vulnerability is an unknown functionality. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2023-47267. The attack can only be executed locally. There is no exploit available.
Details
A vulnerability was found in TheGreenBow Standard VPN Client, Enterprise Certified VPN Client and Enterprise VPN Client on Windows (Network Encryption Software) (version unknown). It has been declared as critical. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
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.
The weakness was shared 12/20/2023. It is possible to read the advisory at thegreenbow.com. This vulnerability is known as CVE-2023-47267 since 11/05/2023. The technical details are unknown and an exploit is not publicly available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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Product
Type
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.6
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
11/05/2023 🔍12/20/2023 🔍
12/20/2023 🔍
12/17/2025 🔍
Sources
Advisory: thegreenbow.comStatus: Confirmed
CVE: CVE-2023-47267 (🔍)
GCVE (CVE): GCVE-0-2023-47267
GCVE (VulDB): GCVE-100-248479
Entry
Created: 12/20/2023 07:00Updated: 12/17/2025 18:28
Changes: 12/20/2023 07:00 (38), 01/13/2024 10:17 (11), 12/17/2025 18:28 (16)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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