PT-2021-13518 · Cisco · Cisco Sd-Wan Vedge

Joseph Connor · Published 2021-05-05 · Updated 2023-02-16 · CVE-2021-1511

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

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

Description: The issue allows 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:2025-16196

CVE-2021-1511

Affected Products

Cisco Sd-Wan Vedge

References · 5

• https://bdu.fstec.ru/vul/2025-16196 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1511 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1511 · Security Note