How severe is CVE-2021-36320?

CVE-2021-36320 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-36320 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36320?

CVE-2021-36320 primarily affects Dell X1008p Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-36320?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-36320 published?

CVE-2021-36320 was published on 2021-11-20 and last updated on 2026-06-17.

CVE-2021-36320

CVE-2021-36320 is a high-severity vulnerability in Dell X1008p Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-331.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.5
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-331
Affected product: Dell X1008p Firmware
Published: 2021-11-20
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-36320?: 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.
How severe is CVE-2021-36320?: CVE-2021-36320 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-36320 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36320?: CVE-2021-36320 primarily affects Dell X1008p Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-36320?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-36320 published?: CVE-2021-36320 was published on 2021-11-20 and last updated on 2026-06-17.

References

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

Affected products (9)

cpe:2.3:o:dell:x1008p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:x1018p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:x1026p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:x1052p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:x4012_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:x1008_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:x1018_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:x1026_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:x1052_firmware:*:*:*:*:*:*:*:*

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