CVE-2023-47267
CVE-2023-47267 is a critical-severity vulnerability in Thegreenbow Thegreenbow Vpn Client with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (50th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-269
- Affected product: Thegreenbow Thegreenbow Vpn Client
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2023-47267?
- 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.
- How severe is CVE-2023-47267?
- CVE-2023-47267 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-47267 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-47267?
- CVE-2023-47267 primarily affects Thegreenbow Thegreenbow Vpn Client. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-47267?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-47267 published?
- CVE-2023-47267 was published on 2023-12-19 and last updated on 2026-06-17.
References
Affected products (3)
- cpe:2.3:a:thegreenbow:thegreenbow_vpn_client:*:*:*:*:enterprise_certified:windows:*:*
- cpe:2.3:a:thegreenbow:thegreenbow_vpn_client:*:*:*:*:standard:windows:*:*
- cpe:2.3:a:thegreenbow:thegreenbow_vpn_client:*:*:*:*:enterprise:windows:*:*
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