CVE-2020-3510
Summary
| CVE | CVE-2020-3510 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-09-24 18:15:00 UTC |
| Updated | 2020-10-08 14:07:00 UTC |
| Description | A vulnerability in the Umbrella Connector component of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches could allow an unauthenticated, remote attacker to trigger a reload, resulting in a denial of service condition on an affected device. The vulnerability is due to insufficient error handling when parsing DNS requests. An attacker could exploit this vulnerability by sending a series of malicious DNS requests to an Umbrella Connector client interface of an affected device. A successful exploit could allow the attacker to cause a crash of the iosd process, which triggers a reload of the affected device. |
Risk And Classification
Problem Types: CWE-400
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Cisco | Catalyst C9200-24p | - | All | All | All |
| Hardware | Cisco | Catalyst C9200-24p | - | All | All | All |
| Hardware | Cisco | Catalyst C9200-24t | - | All | All | All |
| Hardware | Cisco | Catalyst C9200-24t | - | All | All | All |
| Hardware | Cisco | Catalyst C9200-48p | - | All | All | All |
| Hardware | Cisco | Catalyst C9200-48p | - | All | All | All |
| Hardware | Cisco | Catalyst C9200-48t | - | All | All | All |
| Hardware | Cisco | Catalyst C9200-48t | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-24p-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-24p-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-24p-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-24p-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-24pxg-2y | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-24pxg-2y | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-24pxg-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-24pxg-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-24t-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-24t-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-24t-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-24t-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-48p-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-48p-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-48p-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-48p-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-48pxg-2y | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-48pxg-2y | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-48pxg-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-48pxg-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-48t-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-48t-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-48t-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9200l-48t-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-24p | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-24p | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-24s | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-24s | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-24t | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-24t | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-24u | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-24u | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-24ux | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-24ux | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-48p | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-48p | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-48s | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-48s | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-48t | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-48t | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-48u | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-48u | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-48un | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-48un | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-48uxm | - | All | All | All |
| Hardware | Cisco | Catalyst C9300-48uxm | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-24p-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-24p-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-24p-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-24p-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-24t-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-24t-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-24t-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-24t-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-48p-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-48p-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-48p-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-48p-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-48t-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-48t-4g | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-48t-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9300l-48t-4x | - | All | All | All |
| Hardware | Cisco | Catalyst C9404r | - | All | All | All |
| Hardware | Cisco | Catalyst C9404r | - | All | All | All |
| Hardware | Cisco | Catalyst C9407r | - | All | All | All |
| Hardware | Cisco | Catalyst C9407r | - | All | All | All |
| Hardware | Cisco | Catalyst C9410r | - | All | All | All |
| Hardware | Cisco | Catalyst C9410r | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-12q | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-12q | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-16x | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-16x | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-24q | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-24q | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-24y4c | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-24y4c | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-32c | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-32c | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-32qc | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-32qc | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-40x | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-40x | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-48y4c | - | All | All | All |
| Hardware | Cisco | Catalyst C9500-48y4c | - | All | All | All |
| Hardware | Cisco | Catalyst C9600-lc-24c | - | All | All | All |
| Hardware | Cisco | Catalyst C9600-lc-24c | - | All | All | All |
| Hardware | Cisco | Catalyst C9600-lc-48s | - | All | All | All |
| Hardware | Cisco | Catalyst C9600-lc-48s | - | All | All | All |
| Hardware | Cisco | Catalyst C9600-lc-48tx | - | All | All | All |
| Hardware | Cisco | Catalyst C9600-lc-48tx | - | All | All | All |
| Hardware | Cisco | Catalyst C9600-lc-48yl | - | All | All | All |
| Hardware | Cisco | Catalyst C9600-lc-48yl | - | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.2 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.1.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.2 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.1.1 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Cisco IOS XE Software for Catalyst 9200 Series Switches Umbrella Connector Denial of Service Vulnerability | CISCO | tools.cisco.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.