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Vulnerability record · CVE-2019-1647 · published 24 January 2019

CVE-2019-1647: Cisco sd-wan improper access control vulnerability

Cisco · Sd Wan

A vulnerability in the Cisco SD-WAN Solution could allow an authenticated, adjacent attacker to bypass authentication and have direct unauthorized access to other vSmart containers. The vulnerability is due to an insecure default configuration of the affected system. An attacker could exploit this vulnerability by directly connecting to the exposed services. An exploit could allow the attacker to retrieve and modify critical system files.

8.0 CVSS 3.0 High EPSS 0.81% · top 44.8% CWE-284 · Improper access control
8.0CVSS 3.0 base score, v2 7.7
0.81%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A vulnerability in the Cisco SD-WAN Solution could allow an authenticated, adjacent attacker to bypass authentication and have direct unauthorized access to other vSmart containers. The vulnerability is due to an insecure default configuration of the affected system. An attacker could exploit this vulnerability by directly connecting to the exposed services. An exploit could allow the attacker to retrieve and modify critical system files.

CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/106705 Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190123-sdwan-unaccess Vendor Advisory
http://www.securityfocus.com/bid/106705 Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190123-sdwan-unaccess Vendor Advisory

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Related vulnerabilities

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

7.8CVE-2022-20775Cisco SD-WAN CLI access control flaw allows root privilege escalationCisco SD-WAN Software has improper access controls on commands within the application CLI, letting an authenticated local attacker run a crafted comm…KEVEPSS 12%analysed9.9CVE-2020-3374Cisco sd-wan improper authorization vulnerabilityA vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to bypass author…EPSS 1.9%9.8CVE-2020-3375Cisco sd-wan memory buffer overflow vulnerabilityA vulnerability in Cisco SD-WAN Solution Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected device. T…EPSS 3.9%9.8CVE-2018-15387Cisco sd-wan improper input validation vulnerabilityA vulnerability in the Cisco SD-WAN Solution could allow an unauthenticated, remote attacker to bypass certificate validation on an affected device. …EPSS 1.1%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-2019-1624Cisco sd-wan command injection vulnerabilityA vulnerability in the vManage web-based UI (Web UI) in the Cisco SD-WAN Solution could allow an authenticated, remote attacker to inject arbitrary c…EPSS 4.3%8.8CVE-2019-1650Cisco vedge 100 firmware 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 3.5%8.8CVE-2019-1651Cisco vsmart controller memory buffer overflow vulnerabilityA vulnerability in the vContainer of the Cisco SD-WAN Solution could allow an authenticated, remote attacker to cause a denial of service (DoS) condi…EPSS 4.9%

Source: NIST National Vulnerability Database (record CVE-2019-1647), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.