PT-2021-13517 · Cisco · Cisco Sd-Wan Vedge

James Spadaro · CVE-2021-1509 · Published 2021-05-05 · Updated 2023-02-16

Positive Technologies (AI Summary)

CVSS v2.0

8.5

High

Base vector

AV:N/AC:M/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions: Cisco SD-WAN vEdge Software (affected versions not specified)

Description: Multiple vulnerabilities in the 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.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2025-16194

CVE-2021-1509

Affected Products

Cisco Sd-Wan Vedge

References · 5

• https://osv.dev/vulnerability/CVE-2021-1509 · Vendor Advisory
• https://sec.cloudapps.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
• https://nvd.nist.gov/vuln/detail/CVE-2021-1509 · Security Note
• https://bdu.fstec.ru/vul/2025-16194 · Security Note