What is CVE-2021-36322?

CVE-2021-36322 is a medium-severity vulnerability in Dell Networking X-Series, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2021-11-20.

How severe is CVE-2021-36322?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Improper input validation in Dell Networking X-Series

CVE-2021-36322

Dell Networking X-Series firmware versions prior to 3.0.1.8 contain a host header injection vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by injecting arbitrary host header values to poison the web-cache or trigger redirections.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2021-11-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.8th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Dell Networking X-Series — versions unspecified
Dell X1008
Dell X1008 Firmware
Dell X1008p
Dell X1008p Firmware
Dell X1018
Dell X1018 Firmware
Dell X1018p
Dell X1018p Firmware
Dell X1026

Weakness classification (CWE)

References

www.dell.com/support/kbdoc/en-us/000193230/dsa-2021-191-dell-networking-x-serie… (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-36322?: CVE-2021-36322 is a medium-severity vulnerability in Dell Networking X-Series, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2021-11-20.
How severe is CVE-2021-36322?: Medium severity. CVSS v3 base score is 6.1 out of 10.