CVE-2021-36320

9.8 criticalEPSS 1.2%

Critical (9.8) in dell. EPSS 1.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE: CWE-331
Published: 2021-11-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

dell:x1008_firmware
dell:x1008p_firmware
dell:x1018_firmware
dell:x1018p_firmware
dell:x1026_firmware
dell:x1026p_firmware
dell:x1052_firmware
dell:x1052p_firmware
dell:x4012_firmware

References

https://www.dell.com/support/kbdoc/en-us/000193230/dsa-2021-191-dell-networking-x-series-security-update-for-multiple-security-vulnerabilities
https://www.dell.com/support/kbdoc/en-us/000193230/dsa-2021-191-dell-networking-x-series-security-update-for-multiple-security-vulnerabilities

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