How severe is CVE-2020-5344?

CVE-2020-5344 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.

Is CVE-2020-5344 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5344?

CVE-2020-5344 primarily affects Dell Idrac7 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-5344?

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-2020-5344 published?

CVE-2020-5344 was published on 2020-03-31 and last updated on 2026-06-17.

CVE-2020-5344

CVE-2020-5344 is a high-severity vulnerability in Dell Idrac7 Firmware with a CVSS 3.x base score of 7.0. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.0)
CVSS v2: 10.0
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Dell Idrac7 Firmware
Published: 2020-03-31
Last modified: 2026-06-17

Description

Dell EMC iDRAC7, iDRAC8 and iDRAC9 versions prior to 2.65.65.65, 2.70.70.70, 4.00.00.00 contain a stack-based buffer overflow vulnerability. An unauthenticated remote attacker may exploit this vulnerability to crash the affected process or execute arbitrary code on the system by sending specially crafted input data.

Frequently asked questions

What is CVE-2020-5344?: Dell EMC iDRAC7, iDRAC8 and iDRAC9 versions prior to 2.65.65.65, 2.70.70.70, 4.00.00.00 contain a stack-based buffer overflow vulnerability. An unauthenticated remote attacker may exploit this vulnerability to crash the affected process or execute arbitrary code on the system by sending specially crafted input data.
How severe is CVE-2020-5344?: CVE-2020-5344 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
Is CVE-2020-5344 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5344?: CVE-2020-5344 primarily affects Dell Idrac7 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-5344?: 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-2020-5344 published?: CVE-2020-5344 was published on 2020-03-31 and last updated on 2026-06-17.

References

https://www.dell.com/support/article/en-us/sln320717/dsa-2020-063-idrac-buffer-overflow-vulnerability?lang=en

Affected products (3)

cpe:2.3:o:dell:idrac7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:idrac8_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:idrac9_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Dell Idrac7 Firmware

CVE-2019-3705 — Critical (CVSS 9.8): Dell EMC iDRAC6 versions prior to 2.92, iDRAC7/iDRAC8 versions prior to 2.61.60.60, and iDRAC9 versions prior to…
CVE-2018-1244 — High (CVSS 8.8): Dell EMC iDRAC7/iDRAC8, versions prior to 2.60.60.60, and iDRAC9 versions prior to 3.21.21.21 contain a command…
CVE-2016-5685 — High (CVSS 8.8): Dell iDRAC7 and iDRAC8 devices with firmware before 2.40.40.40 allow authenticated users to gain Bash shell access…
CVE-2018-1243 — High (CVSS 7.5): Dell EMC iDRAC6, versions prior to 2.91, iDRAC7/iDRAC8, versions prior to 2.60.60.60 and iDRAC9, versions prior to…
CVE-2018-15776 — Medium (CVSS 6.4): Dell EMC iDRAC7/iDRAC8 versions prior to 2.61.60.60 contain an improper error handling vulnerability. An…
CVE-2019-3764 — Medium (CVSS 4.3): Dell EMC iDRAC7 versions prior to 2.65.65.65, iDRAC8 versions prior to 2.70.70.70 and iDRAC9 versions prior to…

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