Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2022-20679 |
CWE-ID | CWE-20 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Cisco IOS XE Operating systems & Components / Operating system Cisco 1000 Series Integrated Services Routers Hardware solutions / Routers & switches, VoIP, GSM, etc 4221 Integrated Services Routers Hardware solutions / Routers & switches, VoIP, GSM, etc 4321 Integrated Services Routers Hardware solutions / Routers & switches, VoIP, GSM, etc 4331 Integrated Services Routers Hardware solutions / Routers & switches, VoIP, GSM, etc 4351 Integrated Services Routers Hardware solutions / Routers & switches, VoIP, GSM, etc Catalyst 8200 Series Edge Platforms Hardware solutions / Routers & switches, VoIP, GSM, etc Catalyst 8300 Series Edge Platforms Hardware solutions / Routers & switches, VoIP, GSM, etc |
Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU62338
Risk: Medium
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-20679
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 in the IPSec decryption routine. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco IOS XE: All versions
Cisco 1000 Series Integrated Services Routers: All versions
4221 Integrated Services Routers: All versions
4321 Integrated Services Routers: All versions
4331 Integrated Services Routers: All versions
4351 Integrated Services Routers: All versions
Catalyst 8200 Series Edge Platforms: All versions
Catalyst 8300 Series Edge Platforms: All versions
External linkshttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-qfp-ipsec-GQmqvtqV
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.