How severe is CVE-2021-36288?

CVE-2021-36288 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2021-36288 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36288?

CVE-2021-36288 affects Dell Emc Unity Operating Environment. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36288?

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-2021-36288 published?

CVE-2021-36288 was published on 2022-04-08 and last updated on 2026-06-17.

CVE-2021-36288

CVE-2021-36288 is a high-severity vulnerability in Dell Emc Unity Operating Environment with a CVSS 3.x base score of 8.6. 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-22.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v2: 6.4
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Dell Emc Unity Operating Environment
Published: 2022-04-08
Last modified: 2026-06-17

Description

Dell VNX2 for File version 8.1.21.266 and earlier, contain a path traversal vulnerability which may lead unauthenticated users to read/write restricted files

Frequently asked questions

What is CVE-2021-36288?: Dell VNX2 for File version 8.1.21.266 and earlier, contain a path traversal vulnerability which may lead unauthenticated users to read/write restricted files
How severe is CVE-2021-36288?: CVE-2021-36288 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2021-36288 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36288?: CVE-2021-36288 affects Dell Emc Unity Operating Environment. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36288?: 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-2021-36288 published?: CVE-2021-36288 was published on 2022-04-08 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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