TheGreenBow Standard VPN Client on Windows memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

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.

Detailsinfo

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.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB 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: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/05/2023 🔍
12/20/2023 +45 days 🔍
12/20/2023 +0 days 🔍
12/17/2025 +728 days 🔍

Sourcesinfo

Advisory: thegreenbow.com
Status: Confirmed

CVE: CVE-2023-47267 (🔍)
GCVE (CVE): GCVE-0-2023-47267
GCVE (VulDB): GCVE-100-248479

Entryinfo

Created: 12/20/2023 07:00
Updated: 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

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