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Vulnerability record · CVE-2021-1510 · published 6 May 2021

CVE-2021-1510: Cisco vedge 100 firmware memory buffer overflow vulnerability

Cisco · Vedge 100 Firmware

Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

7.5 CVSS 3.1 High EPSS 1.2% · top 32.5% CWE-119 · Memory buffer overflow
7.5CVSS 3.1 base score, v2 5.0
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

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

Affected products

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

References

LinkTags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO Vendor Advisory

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Related vulnerabilities

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

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-2019-1650Cisco 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-2018-0432Cisco vedge 100 firmware permissions and access controls vulnerabilityA vulnerability in the error reporting feature of the Cisco SD-WAN Solution could allow an authenticated, remote attacker to gain elevated privileges…EPSS 2.6%8.8CVE-2018-0343Cisco vbond orchestrator improper access control vulnerabilityA vulnerability in the configuration and management service of the Cisco SD-WAN Solution could allow an authenticated, remote attacker to execute arb…EPSS 1.9%8.8CVE-2018-0345Cisco vbond orchestrator improper input validation vulnerabilityA vulnerability in the configuration and management database of the Cisco SD-WAN Solution could allow an authenticated, remote attacker to execute ar…EPSS 3.0%8.8CVE-2018-0350Cisco vbond orchestrator command injection vulnerabilityA vulnerability in the VPN subsystem configuration in the Cisco SD-WAN Solution could allow an authenticated, remote attacker to inject arbitrary com…EPSS 3.0%7.8CVE-2021-1528Cisco catalyst sd-wan manager execution with unnecessary privileges vulnerabilityA vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges on an affected system. T…EPSS 0.25%7.8CVE-2021-1514Cisco catalyst sd-wan manager improper input validation vulnerabilityA vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with Adm…EPSS 0.33%

Source: NIST National Vulnerability Database (record CVE-2021-1510), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.