How severe is CVE-2021-26576?

CVE-2021-26576 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-26576 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26576?

CVE-2021-26576 affects Hpe Baseboard Management Controller. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-26576?

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-2021-26576 published?

CVE-2021-26576 was published on 2021-02-08 and last updated on 2026-06-17.

CVE-2021-26576

CVE-2021-26576 is a high-severity vulnerability in Hpe Baseboard Management Controller with a CVSS 3.x base score of 7.8. 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-77.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Hpe Baseboard Management Controller
Published: 2021-02-08
Last modified: 2026-06-17

Description

The Baseboard Management Controller (BMC) firmware in HPE Apollo 70 System prior to version 3.0.14.0 has a command injection vulnerability in libifc.so uploadsshkey function.

Frequently asked questions

What is CVE-2021-26576?: The Baseboard Management Controller (BMC) firmware in HPE Apollo 70 System prior to version 3.0.14.0 has a command injection vulnerability in libifc.so uploadsshkey function.
How severe is CVE-2021-26576?: CVE-2021-26576 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-26576 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26576?: CVE-2021-26576 affects Hpe Baseboard Management Controller. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-26576?: 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-2021-26576 published?: CVE-2021-26576 was published on 2021-02-08 and last updated on 2026-06-17.

References

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf04080en_us

Affected products (1)

cpe:2.3:o:hpe:baseboard_management_controller:*:*:*:*:*:*:*:*

More vulnerabilities in Hpe Baseboard Management Controller

CVE-2021-26577 — High (CVSS 7.8): The Baseboard Management Controller (BMC) firmware in HPE Apollo 70 System prior to version 3.0.14.0 has a local buffer…
CVE-2021-26575 — High (CVSS 7.8): The Baseboard Management Controller (BMC) firmware in HPE Apollo 70 System prior to version 3.0.14.0 has a path…
CVE-2021-26574 — High (CVSS 7.8): The Baseboard Management Controller (BMC) firmware in HPE Apollo 70 System prior to version 3.0.14.0 has a path…
CVE-2021-26573 — High (CVSS 7.8): The Baseboard Management Controller (BMC) firmware in HPE Apollo 70 System prior to version 3.0.14.0 has a local buffer…
CVE-2021-25172 — High (CVSS 7.8): The Baseboard Management Controller (BMC) firmware in HPE Apollo 70 System prior to version 3.0.14.0 has a command…
CVE-2021-26572 — High (CVSS 7.8): The Baseboard Management Controller (BMC) firmware in HPE Apollo 70 System prior to version 3.0.14.0 has a local buffer…

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