PT-2021-1859 · Cisco · Cisco Sd-Wan+1

Published 2021-01-20 · Updated 2023-10-06 · CVE-2021-1279

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

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

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

Description Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute denial of service (DoS) attacks against an affected device. The issue is due to insufficient input validation in the implementation of the SNMPv3 protocol in the software of Cisco SD-WAN devices.

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

DoS

Buffer Overflow

RCE

Weakness Enumeration

CWE-119

CWE-20

Related Identifiers

BDU:2021-00626

CVE-2021-1279

Affected Products

Cisco Ios Xe

Cisco Sd-Wan

References · 6

• https://bdu.fstec.ru/vul/2021-00626 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-dosmulti-48jJuEUP · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1279 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1279 · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-dosmulti-48jJuEUP · Vendor Advisory
• https://t.me/cibsecurity/22454 · Telegram Post