QID 317150

Date Published: 2022-04-19

QID 317150: Cisco Internetwork Operating System (IOS) XE Software NETCONF Over SSH Denial of Service (DoS) Vulnerability (cisco-sa-ncossh-dos-ZAkfOdq8)

A vulnerability in the NETCONF over SSH feature of Cisco IOS XE Software could allow a low-privileged, authenticated, remote attacker to cause a denial of service condition (DoS) on an affected device.

Affected Products
Cisco Catalyst 3850 Series Switches
Cisco Catalyst 9200 Series Switches
Cisco Catalyst 9300 Series Switches
Cisco Catalyst 9400 Series Switches
Cisco Catalyst 9500 Series Switches
Cisco Catalyst 9500H Series Switches
Cisco Catalyst 9600 Series Switches
Note: This vulnerability affects Cisco products if they are running a vulnerable release of Cisco IOS XE Software and have the NETCONF over SSH feature enabled.

QID Detection Logic (Authenticated):
The check matches affected versions retrieved via SNMP.

A successful exploit could allow the attacker to exhaust resources, causing the device to reload and resulting in a DoS condition on an affected device.

  • CVSS V3 rated as High - 6.5 severity.
  • CVSS V2 rated as High - 6.8 severity.
    • Solution

    Customers are advised to refer to cisco-sa-ncossh-dos-ZAkfOdq8 for more information.

    Vendor References

    CVEs related to QID 317150

    CVE-2022-20692 |
    Software Advisories
    Advisory ID Software Component Link
    cisco-sa-ncossh-dos-ZAkfOdq8 URL Logo tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ncossh-dos-ZAkfOdq8
    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].

    © CVE.report 2026

    Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

    CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

    Free CVE JSON API cve.report/api

    CVE.report and Source URL Uptime Status status.cve.report