How severe is CVE-2021-25139?

CVE-2021-25139 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-2021-25139 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25139?

CVE-2021-25139 affects Hp Moonshot Provisioning Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25139?

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-2021-25139 published?

CVE-2021-25139 was published on 2021-02-09 and last updated on 2026-06-17.

CVE-2021-25139

CVE-2021-25139 is a critical-severity vulnerability in Hp Moonshot Provisioning Manager 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-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Hp Moonshot Provisioning Manager
Published: 2021-02-09
Last modified: 2026-06-17

Description

A potential security vulnerability has been identified in the HPE Moonshot Provisioning Manager v1.20. The HPE Moonshot Provisioning Manager is an application that is installed in a VMWare or Microsoft Hyper-V environment that is used to setup and configure an HPE Moonshot 1500 chassis. This vulnerability could be remotely exploited by an unauthenticated user to cause a stack based buffer overflow using user supplied input to the `khuploadfile.cgi` CGI ELF. The stack based buffer overflow could lead to Remote Code Execution, Denial of Service, and/or compromise system integrity. **Note:** HPE recommends that customers discontinue the use of the HPE Moonshot Provisioning Manager. The HPE Moonshot Provisioning Manager application is discontinued, no longer supported, is not available to download from the HPE Support Center, and no patch is available.

Frequently asked questions

What is CVE-2021-25139?: A potential security vulnerability has been identified in the HPE Moonshot Provisioning Manager v1.20. The HPE Moonshot Provisioning Manager is an application that is installed in a VMWare or Microsoft Hyper-V environment that is used to setup and configure an HPE Moonshot 1500 chassis. This vulnerability could be remotely exploited by an unauthenticated user to cause a stack based buffer overflow using user supplied input to the `khuploadfile.cgi` CGI ELF. The stack based buffer overflow could lead to Remote Code Execution, Denial of Service, and/or compromise system integrity. **Note:** HPE recommends that customers discontinue the use of the HPE Moonshot Provisioning Manager. The HPE Moonshot Provisioning Manager application is discontinued, no longer supported, is not available to download from the HPE Support Center, and no patch is available.
How severe is CVE-2021-25139?: CVE-2021-25139 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-2021-25139 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25139?: CVE-2021-25139 affects Hp Moonshot Provisioning Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25139?: 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-2021-25139 published?: CVE-2021-25139 was published on 2021-02-09 and last updated on 2026-06-17.

References

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf04084en_us

Affected products (1)

cpe:2.3:a:hp:moonshot_provisioning_manager:1.20:*:*:*:*:*:*:*

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