How severe is CVE-2021-21286?

CVE-2021-21286 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-21286 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-2021-21286?

CVE-2021-21286 affects Wwbn Avideo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-21286?

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-2021-21286 published?

CVE-2021-21286 was published on 2021-02-01 and last updated on 2026-06-17.

CVE-2021-21286

CVE-2021-21286 is a high-severity vulnerability in Wwbn Avideo with a CVSS 3.x base score of 7.7. 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-863.

Key facts

Severity: High (CVSS 3.x base score 7.7)
CVSS v2: 6.5
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Wwbn Avideo
Published: 2021-02-01
Last modified: 2026-06-17

Description

AVideo Platform is an open-source Audio and Video platform. It is similar to a self-hosted YouTube. In AVideo Platform before version 10.2 there is an authorization bypass vulnerability which enables an ordinary user to get admin control. This is fixed in version 10.2. All queries now remove the pass hash and the recoverPass hash.

Frequently asked questions

What is CVE-2021-21286?: AVideo Platform is an open-source Audio and Video platform. It is similar to a self-hosted YouTube. In AVideo Platform before version 10.2 there is an authorization bypass vulnerability which enables an ordinary user to get admin control. This is fixed in version 10.2. All queries now remove the pass hash and the recoverPass hash.
How severe is CVE-2021-21286?: CVE-2021-21286 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-21286 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-2021-21286?: CVE-2021-21286 affects Wwbn Avideo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-21286?: 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-2021-21286 published?: CVE-2021-21286 was published on 2021-02-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wwbn:avideo:*:*:*:*:*:*:*:*

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Other CWE-863 (Incorrect Authorization) vulnerabilities

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