CVE-2021-36320

Name: CVE-2021-36320
Creator: NVD / NIST
Published: 2021-11-20T02:15:07.387+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.15%

Last modified Jun 17, 2026

CVE-2021-36320 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an authentication bypass vulnerability. A remote unauthenticated attacker may potentially hijack a session and access the webserver by forging the session ID.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.

Description

Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an authentication bypass vulnerability. A remote unauthenticated attacker may potentially hijack a session and access the webserver by forging the session ID.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.15%

63.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-331

Affected Software

Vendor	Product	Versions
Dell	X1008p Firmware	< 3.0.1.8
Dell	X1018p Firmware	< 3.0.1.8
Dell	X1026p Firmware	< 3.0.1.8
Dell	X1052p Firmware	< 3.0.1.8
Dell	X4012 Firmware	< 3.0.1.8
Dell	X1008 Firmware	< 3.0.1.8
Dell	X1018 Firmware	< 3.0.1.8
Dell	X1026 Firmware	< 3.0.1.8
Dell	X1052 Firmware	< 3.0.1.8

References

Timeline

Published: Nov 20, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36320?

How severe is CVE-2021-36320?

CVE-2021-36320 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36320?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36320?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST