CVE-2020-3351: cisco cisco sd-wan solution Resource Management Errors
Vulnerability summary
CVE-2020-3351 is a high (CVSS 8.6) Resource Management Errors vulnerability in cisco cisco sd-wan solution. EPSS estimates a 1.37% chance of exploitation in the next 30 days, higher than 71.5% of scored vulnerabilities.
Timeline
- 16-07-2020PublishedVulnerability first disclosed.
- 15-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in Cisco SD-WAN Solution Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper validation of fields in Cisco SD-WAN peering messages that are encapsulated in UDP packets. An attacker could exploit this vulnerability by sending crafted UDP messages to the targeted system. A successful exploit could allow the attacker to cause services on the device to fail, resulting in a DoS condition that could impact the targeted device and other devices that depend on it.
CVSS metrics
4 scores · 2 sources · 3 versions- NVDNIST8.6HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS trend
Probability
1.37%
Chance of exploitation in the next 30 days
Percentile
72%
Versus all other CVEs
30-day change
0.00 pp
From 1.37% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco4 products
- cisco sd-wan solutionn/a
- sd-wan< 17.2.7 | ≥ 17.2.8, < 18.3.0
- vedge_cloud_routerna
- vsmart_controllerna
1 vendor · 4 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdw-dos-KWOdyHnBVendor AdvisoryX Refsource CISCO