How severe is CVE-2021-3814?

CVE-2021-3814 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-3814 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3814?

CVE-2021-3814 affects Redhat 3scale. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-3814?

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-2021-3814 published?

CVE-2021-3814 was published on 2022-03-25 and last updated on 2026-06-17.

CVE-2021-3814

CVE-2021-3814 is a high-severity vulnerability in Redhat 3scale with a CVSS 3.x base score of 7.5. 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-862.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Redhat 3scale
Published: 2022-03-25
Last modified: 2026-06-17

Description

It was found that 3scale's APIdocs does not validate the access token, in the case of invalid token, it uses session auth instead. This conceivably bypasses access controls and permits unauthorized information disclosure.

Frequently asked questions

What is CVE-2021-3814?: It was found that 3scale's APIdocs does not validate the access token, in the case of invalid token, it uses session auth instead. This conceivably bypasses access controls and permits unauthorized information disclosure.
How severe is CVE-2021-3814?: CVE-2021-3814 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-3814 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3814?: CVE-2021-3814 affects Redhat 3scale. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3814?: 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-2021-3814 published?: CVE-2021-3814 was published on 2022-03-25 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2004322

Affected products (1)

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

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