Cisco SD-WAN vManage Software Command Injection Vulnerability

published 2020-11-06 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-19653

cvss: 6.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits: 0; none known

A vulnerability in the remote management feature of Cisco SD-WAN vManage Software could allow an authenticated, local attacker to inject arbitrary commands and potentially gain elevated privileges. The vulnerability is due to improper validation of commands to the remote management CLI of the affected application. An attacker could exploit this vulnerability by sending malicious requests to the affected application. A successful exploit could allow the attacker to inject arbitrary commands and potentially gain elevated privileges.

Patch / fix

fixed in 1

cisco sd-wan_vmanage 20.3.1

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 23 mo ago (2024-11-13)

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.7	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	6.7	CVSS:3.1/AV:L/AC:L/PR:H/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 vManage

Classification

Weakness

CWE-88 Improper Neutralization of Argument Delimiters in a Command

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-privilege-zPmMf73k
vendor-advisory

Sources

CVE List CVE-2020-27129
NVD CVE-2020-27129

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Summary