How severe is CVE-2021-3412?

CVE-2021-3412 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2021-3412 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3412?

CVE-2021-3412 primarily affects Redhat 3scale. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-3412?

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-2021-3412 published?

CVE-2021-3412 was published on 2021-06-01 and last updated on 2026-06-17.

CVE-2021-3412

CVE-2021-3412 is a high-severity vulnerability in Redhat 3scale with a CVSS 3.x base score of 7.3. 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-307.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Redhat 3scale
Published: 2021-06-01
Last modified: 2026-06-17

Description

It was found that all versions of 3Scale developer portal lacked brute force protections. An attacker could use this gap to bypass login controls, and access privileged information, or possibly conduct further attacks.

Frequently asked questions

What is CVE-2021-3412?: It was found that all versions of 3Scale developer portal lacked brute force protections. An attacker could use this gap to bypass login controls, and access privileged information, or possibly conduct further attacks.
How severe is CVE-2021-3412?: CVE-2021-3412 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-3412 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3412?: CVE-2021-3412 primarily affects Redhat 3scale. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-3412?: 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-2021-3412 published?: CVE-2021-3412 was published on 2021-06-01 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1928301

Affected products (2)

cpe:2.3:a:redhat:3scale:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:3scale_api_management:2.0:*:*:*:*:*:*:*

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