Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2023-20169 |
CWE-ID | CWE-20 |
Exploitation vector | Local network |
Public exploit | N/A |
Vulnerable software Subscribe |
Cisco NX-OS Operating systems & Components / Operating system Cisco Nexus 3000 Series Switches Hardware solutions / Routers & switches, VoIP, GSM, etc Cisco Nexus 9000 Series Switches NX-OS Mode Hardware solutions / Routers & switches, VoIP, GSM, etc |
Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU79940
Risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-20169
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 Intermediate System-to-Intermediate System (IS-IS) protocol. A remote attacker on the local network 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 NX-OS: 10.3(2)
Cisco Nexus 3000 Series Switches: All versions
Cisco Nexus 9000 Series Switches NX-OS Mode: 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 local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.