Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2023-20226 |
CWE-ID | CWE-20 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Cisco IOS XE Operating systems & Components / Operating system 4200 Series Integrated Services Routers Hardware solutions / Routers & switches, VoIP, GSM, etc 4300 Series Integrated Services Routers Hardware solutions / Routers & switches, VoIP, GSM, etc Catalyst 8000V Edge Software 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 Catalyst 8500L Series Edge Platforms Hardware solutions / Routers & switches, VoIP, GSM, etc ISR1100 Series Routers Hardware solutions / Routers & switches, VoIP, GSM, etc Catalyst IR8300 Rugged Series Router Other software / Other software solutions |
Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU81288
Risk: High
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-20226
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 Application Quality of Experience (AppQoE) and Unified Threat Defense (UTD). A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsCisco IOS XE: 17.9.1 - sdwan-17.9.2
4200 Series Integrated Services Routers: All versions
4300 Series Integrated Services Routers: All versions
Catalyst 8000V Edge Software: All versions
Catalyst 8200 Series Edge Platforms: All versions
Catalyst 8300 Series Edge Platforms: All versions
Catalyst 8500L Series Edge Platforms: All versions
Catalyst IR8300 Rugged Series Router: All versions
ISR1100 Series Routers: All versions
External linksQ & 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.