How severe is CVE-2021-36294?

CVE-2021-36294 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-36294 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36294?

CVE-2021-36294 affects Dell Emc Unity Operating Environment. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36294?

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

When was CVE-2021-36294 published?

CVE-2021-36294 was published on 2022-01-25 and last updated on 2026-06-17.

CVE-2021-36294

CVE-2021-36294 is a critical-severity vulnerability in Dell Emc Unity Operating Environment with a CVSS 3.x base score of 9.8. 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-330.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-330
Affected product: Dell Emc Unity Operating Environment
Published: 2022-01-25
Last modified: 2026-06-17

Description

Dell VNX2 OE for File versions 8.1.21.266 and earlier, contain an authentication bypass vulnerability. A remote unauthenticated attacker may exploit this vulnerability by forging a cookie to login as any user.

Frequently asked questions

What is CVE-2021-36294?: Dell VNX2 OE for File versions 8.1.21.266 and earlier, contain an authentication bypass vulnerability. A remote unauthenticated attacker may exploit this vulnerability by forging a cookie to login as any user.
How severe is CVE-2021-36294?: CVE-2021-36294 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-36294 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36294?: CVE-2021-36294 affects Dell Emc Unity Operating Environment. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36294?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-36294 published?: CVE-2021-36294 was published on 2022-01-25 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000191155/dsa-2021-164-dell-vnx2-control-station-security-update-for-multiple-vulnerabilities

Affected products (1)

cpe:2.3:a:dell:emc_unity_operating_environment:*:*:*:*:*:*:*:*

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