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Vulnerability record · CVE-2020-3379 · published 16 July 2020

CVE-2020-3379: Cisco sd-wan firmware permissions and access controls vulnerability

Cisco · Sd Wan Firmware

A vulnerability in Cisco SD-WAN Solution Software could allow an authenticated, local attacker to elevate privileges to Administrator on the underlying operating system. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to gain administrative privileges.

7.8 CVSS 3.1 High EPSS 0.34% · top 75.5% CWE-264 · Permissions and access controlsCWE-20 · Improper input validation
7.8CVSS 3.1 base score, v2 7.2
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A vulnerability in Cisco SD-WAN Solution Software could allow an authenticated, local attacker to elevate privileges to Administrator on the underlying operating system. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to gain administrative privileges.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-1300Cisco ios xe sd-wan memory buffer overflow vulnerabilityMultiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute attacks against an affected device. For …EPSS 2.1%9.8CVE-2021-1301Cisco ios xe sd-wan memory buffer overflow vulnerabilityMultiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute attacks against an affected device. For …EPSS 2.1%9.8CVE-2018-0349Cisco vbond orchestrator improper input validation vulnerabilityA vulnerability in the Cisco SD-WAN Solution could allow an authenticated, remote attacker to overwrite arbitrary files on the underlying operating s…EPSS 3.0%8.8CVE-2021-1298Cisco sd-wan firmware improper input validation vulnerabilityMultiple vulnerabilities in Cisco SD-WAN products could allow an authenticated attacker to perform command injection attacks against an affected devi…EPSS 2.4%8.8CVE-2021-1299Cisco sd-wan firmware improper input validation vulnerabilityMultiple vulnerabilities in Cisco SD-WAN products could allow an authenticated attacker to perform command injection attacks against an affected devi…EPSS 2.4%8.8CVE-2020-3387Cisco sd-wan firmware improper input validation vulnerabilityA vulnerability in Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to execute code with root privileges on an affected sy…EPSS 13%8.8CVE-2020-3381Cisco sd-wan firmware path traversal vulnerabilityA vulnerability in the web management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to conduct directory t…EPSS 2.6%8.8CVE-2020-3115Cisco sd-wan firmware permissions and access controls vulnerabilityA vulnerability in the CLI of the Cisco SD-WAN Solution vManage software could allow an authenticated, local attacker to elevate privileges to root-l…EPSS 0.33%

Source: NIST National Vulnerability Database (record CVE-2020-3379), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.