PT-2021-21223 · Dell · Dell Networking X-Series

Ken Pyle · Published 2021-11-20 · Updated 2021-11-23 · CVE-2021-36321

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Dell Networking X-Series firmware versions prior to 3.0.1.8

Description The issue is related to improper input validation, which can be exploited by a remote unauthenticated attacker. This exploitation can occur when specially crafted data is sent, potentially triggering a denial of service.

Recommendations For Dell Networking X-Series firmware versions prior to 3.0.1.8, update to version 3.0.1.8 or later to resolve the issue. As a temporary workaround, consider restricting access to the network to minimize the risk of exploitation.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-36321

Affected Products

Dell Networking X-Series

References · 5

• https://osv.dev/vulnerability/CVE-2021-36321 · Vendor Advisory
• https://dell.com/support/kbdoc/en-us/000193230/dsa-2021-191-dell-networking-x-series-security-update-for-multiple-security-vulnerabilities · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-36321 · Security Note
• https://t.me/cibsecurity/32754 · Telegram Post
• https://t.me/cvenotify/23529 · Telegram Post