How severe is CVE-2021-47702?

CVE-2021-47702 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2021-47702 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-47702?

CVE-2021-47702 affects Openbmcs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-47702?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2021-47702 have an EU (EUVD) identifier?

Yes. CVE-2021-47702 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34737.

When was CVE-2021-47702 published?

CVE-2021-47702 was published on 2025-12-09 and last updated on 2026-06-17.

CVE-2021-47702

CVE-2021-47702 is a medium-severity vulnerability in Openbmcs with a CVSS 3.x base score of 4.3. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v4: 5.3
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2021-34737
Weakness: CWE-352
Affected product: Openbmcs
Published: 2025-12-09
Last modified: 2026-06-17

Description

OpenBMCS 2.4 contains a CSRF vulnerability that allows attackers to perform actions with administrative privileges by exploiting the sendFeedback.php endpoint. Attackers can submit malicious requests to trigger unintended actions, such as sending emails or modifying system settings.

Frequently asked questions

What is CVE-2021-47702?: OpenBMCS 2.4 contains a CSRF vulnerability that allows attackers to perform actions with administrative privileges by exploiting the sendFeedback.php endpoint. Attackers can submit malicious requests to trigger unintended actions, such as sending emails or modifying system settings.
How severe is CVE-2021-47702?: CVE-2021-47702 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2021-47702 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-47702?: CVE-2021-47702 affects Openbmcs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-47702?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2021-47702 have an EU (EUVD) identifier?: Yes. CVE-2021-47702 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34737.
When was CVE-2021-47702 published?: CVE-2021-47702 was published on 2025-12-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openbmcs:openbmcs:2.4:*:*:*:*:*:*:*

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