QID 317364

Date Published: 2023-10-04

QID 317364: Cisco Internetwork Operating System (IOS) XE Software for Catalyst 3650 and Catalyst 3850 Series Switches Denial of Service (DoS) Vulnerability (cisco-sa-cat3k-dos-ZZA4Gb3r)

A vulnerability in Cisco IOS XE Software for Cisco Catalyst 3650 and Catalyst 3850 Series Switches could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition.

Affected Products:
This vulnerability affects Cisco Catalyst 3650 and Catalyst 3850 Series Switches and have the management interface enabled.

QID Detection Logic (Authenticated):
The check matches Cisco IOS XE version retrieved via Unix Auth using "show version" command.
QID Detection Logic (Unauthenticated):
The check matches Cisco IOS XE version retrieved via SNMP or TCP/IP Fingerprint or NTP or Telnet.

A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

  • CVSS V3 rated as Critical - 8.6 severity.
  • CVSS V2 rated as High - 6.8 severity.
    • Solution

    Customers are advised to refer to cisco-sa-cat3k-dos-ZZA4Gb3r for more information.

    Vendor References

    CVEs related to QID 317364

    CVE-2023-20033 |
    Software Advisories
    Advisory ID Software Component Link
    cisco-sa-cat3k-dos-ZZA4Gb3r URL Logo sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cat3k-dos-ZZA4Gb3r
    By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].