Multiple vulnerabilities in Microsoft Windows Internet Key Exchange (IKE) Extension
| Risk | Critical |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2022-34720 CVE-2022-34721 CVE-2022-34722 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | Vulnerability #2 is being exploited in the wild. |
| Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Input validation error
EUVDB-ID: #VU67238
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-34720
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when processing IKEv1 packets. A remote attacker can send specially crafted IKEv1 packets to the system and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 7 - 11 21H2
Windows Server: 2008 - 2022 20H2
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-34720
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Input validation error
EUVDB-ID: #VU67237
Risk: Critical
CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2022-34721
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input when handling IKEv1 packets. A remote attacker can send specially crafted IKEv1 packets to the affected system and execute arbitrary code.
Install updates from vendor's website.
Vulnerable software versionsWindows: 7 - 11 21H2
Windows Server: 2008 - 2022 20H2
External linkshttp://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-34721
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.
3) Input validation error
EUVDB-ID: #VU67236
Risk: Critical
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-34722
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input when handling IKEv1 packets. A remote attacker can send specially crafted IKEv1 packets to the affected system and execute arbitrary code.
Install updates from vendor's website.
Vulnerable software versionsWindows: 7 - 11 21H2
Windows Server: 2008 - 2022 20H2
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-34722
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
