How severe is CVE-2021-36322?

CVE-2021-36322 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-36322 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36322?

CVE-2021-36322 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-2021-36322?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-36322 published?

CVE-2021-36322 was published on 2021-11-20 and last updated on 2026-06-17.

CVE-2021-36322

CVE-2021-36322 is a medium-severity vulnerability in Dell X1008p Firmware with a CVSS 3.x base score of 6.1. 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 5.8
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
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 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.

Frequently asked questions

What is 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.
How severe is CVE-2021-36322?: CVE-2021-36322 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-36322 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36322?: CVE-2021-36322 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-2021-36322?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-36322 published?: CVE-2021-36322 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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