How severe is CVE-2020-11483?

CVE-2020-11483 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-2020-11483 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11483?

CVE-2020-11483 affects Intel Bmc Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-11483?

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-2020-11483 published?

CVE-2020-11483 was published on 2020-10-29 and last updated on 2026-06-17.

CVE-2020-11483

CVE-2020-11483 is a critical-severity vulnerability in Intel Bmc Firmware 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Intel Bmc Firmware
Published: 2020-10-29
Last modified: 2026-06-17

Description

NVIDIA DGX servers, all DGX-1 with BMC firmware versions prior to 3.38.30 and all DGX-2 with BMC firmware versions prior to 1.06.06, contains a vulnerability in the AMI BMC firmware in which the firmware includes hard-coded credentials, which may lead to elevation of privileges or information disclosure.

Frequently asked questions

What is CVE-2020-11483?: NVIDIA DGX servers, all DGX-1 with BMC firmware versions prior to 3.38.30 and all DGX-2 with BMC firmware versions prior to 1.06.06, contains a vulnerability in the AMI BMC firmware in which the firmware includes hard-coded credentials, which may lead to elevation of privileges or information disclosure.
How severe is CVE-2020-11483?: CVE-2020-11483 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-2020-11483 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11483?: CVE-2020-11483 affects Intel Bmc Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-11483?: 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-2020-11483 published?: CVE-2020-11483 was published on 2020-10-29 and last updated on 2026-06-17.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5010

Affected products (1)

cpe:2.3:o:intel:bmc_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Intel Bmc Firmware

CVE-2020-11486 — Critical (CVSS 9.8): NVIDIA DGX servers, all DGX-1 with BMC firmware versions prior to 3.38.30, contain a vulnerability in the AMI BMC…
CVE-2018-12171 — Critical (CVSS 9.8): Privilege escalation in Intel Baseboard Management Controller (BMC) firmware before version 1.43.91f76955 may allow an…
CVE-2020-11485 — High (CVSS 8.8): NVIDIA DGX servers, all DGX-1 with BMC firmware versions prior to 3.38.30, contains a Cross-Site Request Forgery (CSRF)…
CVE-2018-3682 — High (CVSS 8.2): BMC Firmware in Intel server boards, compute modules, and systems potentially allow an attacker with administrative…
CVE-2020-12380 — High (CVSS 7.8): Out of bounds read in the BMC firmware for some Intel(R) Server Boards, Server Systems and Compute Modules before…
CVE-2020-12377 — High (CVSS 7.8): Insufficient input validation in the BMC firmware for some Intel(R) Server Boards, Server Systems and Compute Modules…

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