Cisco Identity Services Engine Software up to 3.2.0 p1 CDP denial of service

Summaryinfo

A vulnerability marked as problematic has been reported in Cisco Identity Services Engine Software. This affects an unknown function of the component CDP Handler. The manipulation leads to denial of service. This vulnerability is documented as CVE-2023-20213. The attack requires being on the local network. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Identity Services Engine Software (Policy Management Software). It has been rated as problematic. This issue affects an unknown code of the component CDP Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

A vulnerability in the CDP processing feature of Cisco ISE could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition of the CDP process on an affected device. This vulnerability is due to insufficient bounds checking when an affected device processes CDP traffic. An attacker could exploit this vulnerability by sending crafted CDP traffic to the device. A successful exploit could cause the CDP process to crash, impacting neighbor discovery and the ability of Cisco ISE to determine the reachability of remote devices. After a crash, the CDP process must be manually restarted using the cdp enable command in interface configuration mode.

The weakness was released 11/01/2023 as cisco-sa-ise-file-upload-FceLP4xs. The advisory is shared at sec.cloudapps.cisco.com. The identification of this vulnerability is CVE-2023-20213 since 10/27/2022. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Policy Management Software

Vendor

• Cisco

Name

• Identity Services Engine Software

Version

• 2.6.0
• 2.6.0 p1
• 2.6.0 p2
• 2.6.0 p3
• 2.6.0 p5
• 2.6.0 p6
• 2.6.0 p7
• 2.6.0 p8
• 2.6.0 p9
• 2.6.0 p10
• 2.6.0 p11
• 2.6.0 p12
• 2.7.0
• 2.7.0 p1
• 2.7.0 p2
• 2.7.0 p3
• 2.7.0 p4
• 2.7.0 p5
• 2.7.0 p6
• 2.7.0 p7
• 2.7.0 p9
• 3.0.0
• 3.0.0 p1
• 3.0.0 p2
• 3.0.0 p3
• 3.0.0 p4
• 3.0.0 p5
• 3.0.0 p6
• 3.1.0
• 3.1.0 p1
• 3.1.0 p3
• 3.1.0 p4
• 3.1.0 p5
• 3.1.0 p7
• 3.2.0
• 3.2.0 p1

License

• commercial

Website

• Vendor: https://www.cisco.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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