Cisco SD-WAN Solution Privilege Escalation Vulnerability

published 2020-03-19 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-24536

cvss: 7.0; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits: 0; none known

A vulnerability in Cisco SD-WAN Solution software could allow an authenticated, local attacker to elevate privileges to root 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 root-level privileges.

Patch / fix

fixed in 1

cisco sd-wan_firmware 18.4.5, 19.2.2

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 23 mo ago (2024-11-15)

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.0	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

Cisco Cisco SD-WAN Solution

Classification

Weakness

CWE-264 Permissions, Privileges, and Access Controls
CWE-269 Improper Privilege Management

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwpresc-ySJGvE9
vendor-advisory

Sources

CVE List CVE-2020-3265
NVD CVE-2020-3265

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Summary