PT-2021-1897 · Cisco · Cisco Sd-Wan

James Spadaro · Published 2021-01-20 · Updated 2023-10-06 · CVE-2021-1301

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

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

Description The issue is related to multiple vulnerabilities in Cisco SD-WAN products that could allow an unauthenticated, remote attacker to execute attacks against an affected device. One of the vulnerabilities is associated with the implementation of the NETCONF protocol and is due to insufficient input validation, which could allow a remote attacker to cause a denial of service.

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

Buffer Overflow

RCE

Weakness Enumeration

CWE-119

CWE-20

Related Identifiers

BDU:2021-00668

CVE-2021-1301

Affected Products

Cisco Sd-Wan

References · 5

• https://osv.dev/vulnerability/CVE-2021-1301 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-bufovulns-B5NrSHbj · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-00668 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-1301 · Security Note
• https://t.me/cibsecurity/22440 · Telegram Post