PT-2021-1863 · Cisco · Cisco Sd-Wan Vedge+1

Published 2021-01-20 · Updated 2023-10-06 · CVE-2021-1241

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 vEdge versions (affected versions not specified)

Description The issue is related to a buffer overflow in the memory of Cisco SD-WAN vEdge router microcode, which could allow a remote attacker to cause a denial of service (DoS). An unauthenticated, remote attacker may execute DoS attacks against an affected device.

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

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2021-00630

CVE-2021-1241

Affected Products

Cisco Ios Xe

Cisco Sd-Wan Vedge

References · 7

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-dosmulti-48jJuEUP · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1241 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1241 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/660751 · Security Note
• https://bdu.fstec.ru/vul/2021-00630 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-dosmulti-48jJuEUP · Vendor Advisory
• https://t.me/cibsecurity/22461 · Telegram Post