cisco-sa-sdwan-vedge-dos-jerVm4bB: Cisco SD-WAN vEdge Routers Denial of Service Vulnerability
First published: Wed Apr 13 2022(Updated: )
A vulnerability in the NETCONF process of Cisco SD-WAN vEdge Routers could allow an authenticated, local attacker to cause an affected device to run out of memory, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient memory management when an affected device receives large amounts of traffic. An attacker could exploit this vulnerability by sending malicious traffic to an affected device. A successful exploit could allow the attacker to cause the device to crash, resulting in a DoS condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-vedge-dos-jerVm4bB
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco SD-WAN vEdge, vBond, and vSmart Software Releases | =20.7<20.7.1>=.6<20<=20.6<20.6.1 | 20.7.1 20.6.1 |
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Reference Links
Frequently Asked Questions
What is the severity of cisco-sa-sdwan-vedge-dos-jerVm4bB?
The cisco-sa-sdwan-vedge-dos-jerVm4bB vulnerability is rated as high severity due to its potential to cause a denial of service condition.
How do I fix cisco-sa-sdwan-vedge-dos-jerVm4bB?
To address cisco-sa-sdwan-vedge-dos-jerVm4bB, you should upgrade your Cisco SD-WAN vEdge Software to version 20.7.1 or 20.6.1.
What causes cisco-sa-sdwan-vedge-dos-jerVm4bB?
The cisco-sa-sdwan-vedge-dos-jerVm4bB vulnerability is caused by insufficient memory management in the NETCONF process of affected Cisco SD-WAN vEdge Routers.
Who is affected by cisco-sa-sdwan-vedge-dos-jerVm4bB?
The cisco-sa-sdwan-vedge-dos-jerVm4bB vulnerability affects authenticated local users of Cisco SD-WAN vEdge Routers running specific vulnerable software versions.
What devices are impacted by cisco-sa-sdwan-vedge-dos-jerVm4bB?
Devices running Cisco SD-WAN Software versions prior to 20.7.1 and 20.6.1 are impacted by the cisco-sa-sdwan-vedge-dos-jerVm4bB vulnerability.
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- collector/cisco-advisory
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- vendor/cisco
- canonical/cisco sd-wan vedge, vbond, and vsmart software releases
- version/cisco sd-wan vedge, vbond, and vsmart software releases/20.7
- version/cisco sd-wan vedge, vbond, and vsmart software releases/.6
- version/cisco sd-wan vedge, vbond, and vsmart software releases/20.6