CVE-2023-21547
HIGHCVSS 7.5/10EPSS 88.23%
Last modified
CVE-2023-21547 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Internet Key Exchange (IKE) Protocol Denial of Service Vulnerability. EPSS estimates a 88.23% chance of exploitation in the next 30 days.
Description
Internet Key Exchange (IKE) Protocol Denial of Service Vulnerability
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1607 | All versions |
| Microsoft | Windows 10 1809 | All versions |
| Microsoft | Windows 10 21h2 | All versions |
| Microsoft | Windows 10 22h2 | All versions |
| Microsoft | Windows 11 21h2 | All versions |
| Microsoft | Windows 11 22h2 | All versions |
| Microsoft | Windows Server 2016 | All versions |
| Microsoft | Windows Server 2019 | All versions |
| Microsoft | Windows Server 2022 | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-21547?
Internet Key Exchange (IKE) Protocol Denial of Service Vulnerability
How severe is CVE-2023-21547?
CVE-2023-21547 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 88.23% probability of exploitation in the next 30 days.
How do I fix CVE-2023-21547?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2023
- CVE-2023-2154A vulnerability was found in SourceCodester Task Reminder Sy…7.2
- CVE-2023-21540Windows Cryptographic Information Disclosure Vulnerability5.5
- CVE-2023-21541Windows Task Scheduler Elevation of Privilege Vulnerability7.8
- CVE-2023-21542Windows Installer Elevation of Privilege Vulnerability7
- CVE-2023-21543Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execut…8.1
- CVE-2023-21546Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execut…8.1
- CVE-2023-21548Windows Secure Socket Tunneling Protocol (SSTP) Remote Code …8.1
- CVE-2023-21549Windows SMB Witness Service Elevation of Privilege Vulnerabi…8.8
- CVE-2023-2155A vulnerability was found in SourceCodester Air Cargo Manage…4.8
- CVE-2023-21550Windows Cryptographic Information Disclosure Vulnerability5.5
- CVE-2023-21551Microsoft Cryptographic Services Elevation of Privilege Vuln…7.8
- CVE-2023-21552Windows GDI Elevation of Privilege Vulnerability7.8
Are you affected by CVE-2023-21547?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST