How severe is CVE-2021-47704?

CVE-2021-47704 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-47704 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-47704?

CVE-2021-47704 affects Openbmcs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-47704?

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

Does CVE-2021-47704 have an EU (EUVD) identifier?

Yes. CVE-2021-47704 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34735.

When was CVE-2021-47704 published?

CVE-2021-47704 was published on 2025-12-09 and last updated on 2026-06-17.

CVE-2021-47704

CVE-2021-47704 is a medium-severity vulnerability in Openbmcs with a CVSS 3.x base score of 6.5. 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-89.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2021-34735
Weakness: CWE-89
Affected product: Openbmcs
Published: 2025-12-09
Last modified: 2026-06-17

Description

OpenBMCS 2.4 contains an SQL injection vulnerability that allows authenticated attackers to manipulate database queries by injecting arbitrary SQL code. Attackers can send GET requests to /debug/obix_test.php with malicious 'id' values to extract database information.

Frequently asked questions

What is CVE-2021-47704?: OpenBMCS 2.4 contains an SQL injection vulnerability that allows authenticated attackers to manipulate database queries by injecting arbitrary SQL code. Attackers can send GET requests to /debug/obix_test.php with malicious 'id' values to extract database information.
How severe is CVE-2021-47704?: CVE-2021-47704 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-47704 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-47704?: CVE-2021-47704 affects Openbmcs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-47704?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2021-47704 have an EU (EUVD) identifier?: Yes. CVE-2021-47704 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34735.
When was CVE-2021-47704 published?: CVE-2021-47704 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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