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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2022-20717 Detail

Description

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 3.x Severity and Vector Strings:

NIST CVSS score
NIST: NVD
Base Score:  5.5 MEDIUM
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Nist CVSS score does not match with CNA score
CNA:  Cisco Systems, Inc.
Base Score:  5.5 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-vedge-dos-jerVm4bB Vendor Advisory 
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-vedge-dos-jerVm4bB Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-770 Allocation of Resources Without Limits or Throttling cwe source acceptance level NIST  
CWE-789 Memory Allocation with Excessive Size Value Cisco Systems, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:cisco:sd-wan_vedge_router:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		Up to (including)
20.6
 cpe:2.3:a:cisco:sd-wan_vedge_router:20.7:*:*:*:*:*:*:*
   Show Matching CPE(s)
Running on/with
 cpe:2.3:h:cisco:1100_integrated_services_router:-:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:h:citrix:sd-wan_1000:-:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:h:citrix:sd-wan_110:-:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:h:citrix:sd-wan_1100:-:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:h:citrix:sd-wan_2000:-:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:h:citrix:sd-wan_210:-:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:h:citrix:sd-wan_2100:-:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:h:citrix:sd-wan_5100:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-20717
NVD Published Date:
04/15/2022
NVD Last Modified:
11/21/2024
Source:
Cisco Systems, Inc.