How severe is CVE-2020-5366?

CVE-2020-5366 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2020-5366 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5366?

CVE-2020-5366 affects Dell Idrac9 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5366?

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-2020-5366 published?

CVE-2020-5366 was published on 2020-07-09 and last updated on 2026-06-17.

CVE-2020-5366

CVE-2020-5366 is a high-severity vulnerability in Dell Idrac9 Firmware with a CVSS 3.x base score of 7.1. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 4.0
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Dell Idrac9 Firmware
Published: 2020-07-09
Last modified: 2026-06-17

Description

Dell EMC iDRAC9 versions prior to 4.20.20.20 contain a Path Traversal Vulnerability. A remote authenticated malicious user with low privileges could potentially exploit this vulnerability by manipulating input parameters to gain unauthorized read access to the arbitrary files.

Frequently asked questions

What is CVE-2020-5366?: Dell EMC iDRAC9 versions prior to 4.20.20.20 contain a Path Traversal Vulnerability. A remote authenticated malicious user with low privileges could potentially exploit this vulnerability by manipulating input parameters to gain unauthorized read access to the arbitrary files.
How severe is CVE-2020-5366?: CVE-2020-5366 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
Is CVE-2020-5366 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5366?: CVE-2020-5366 affects Dell Idrac9 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5366?: 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-2020-5366 published?: CVE-2020-5366 was published on 2020-07-09 and last updated on 2026-06-17.

References

https://www.dell.com/support/article/en-us/sln322125/dsa-2020-128-idrac-local-file-inclusion-vulnerability?lang=en

Affected products (1)

cpe:2.3:o:dell:idrac9_firmware:*:*:*:*:*:*:*:*

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