Denial of service in Dell Connectrix

1) Resource management error

EUVDB-ID: #VU60839

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-20625

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of Cisco Discovery Protocol messages that are processed by the Cisco Discovery Protocol service. A remote attacker on the local network can send specially crafted CDP messages to the system and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Connectrix Cisco MDS 9000: before 8.4(2d)

CPE2.3

• cpe:2.3::dell:connectrix_cisco_mds_9000:*:*:*:*:*:*:*:*

External links

https://www.dell.com/support/kbdoc/nl-nl/000201287/dsa-2022-115-dell-connectrix-security-update-for-cisco-mds-9000-switches-software-vulnerability
https://www.dell.com/support/kbdoc/en-us/000201287/dsa-2022-115-dell-connectrix-security-update-for-cisco-mds-9000-switches-software-vulnerability

Q & 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.