PT-2021-21224 · Dell · Dell Networking X-Series

Ken Pyle · Published 2021-11-20 · Updated 2022-10-24 · CVE-2021-36322

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

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

Description The issue allows a remote unauthenticated attacker to potentially exploit the vulnerability by injecting arbitrary host header values to poison the web-cache or trigger redirections. This can be achieved through API endpoints, although specific endpoints are not mentioned. The host header values are the vulnerable parameters in this case.

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 web-cache to minimize the risk of exploitation. Avoid using arbitrary host header values in API requests until the issue is resolved.

Fix

Special Elements Injection

RCE

Weakness Enumeration

CWE-74

CWE-20

Related Identifiers

CVE-2021-36322

Affected Products

Dell Networking X-Series

References · 5

• 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-2021-36322 · Security Note
• https://osv.dev/vulnerability/CVE-2021-36322 · Vendor Advisory
• https://t.me/cibsecurity/32758 · Telegram Post
• https://t.me/cvenotify/23528 · Telegram Post