CVE-2021-21471

MEDIUMNVD 6.56.5—

6.5

In CLA-Assistant, versions before 2.8.5, due to improper access control an authenticated user could access API endpoints which are not intended to be used by the user. This could impact the integrity of the application.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 63.5%
KEV: Not listed

Published

January 12, 2021

Last Modified

November 21, 2024

References (2)

cna@saphttps://github.com/cla-assistant/cla-assistant/security/advisories/GHSA-4h6f-c68c-pxhr
af854a3a-2127-422b-91ae-364da2661108https://github.com/cla-assistant/cla-assistant/security/advisories/GHSA-4h6f-c68c-pxhr

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore

Frequently asked(5)

What is CVE-2021-21471?

CVE-2021-21471 is a medium vulnerability published on January 12, 2021. In CLA-Assistant, versions before 2.8.5, due to improper access control an authenticated user could access API endpoints which are not intended to be used by the user. This could impact the integrity of the application.

When was CVE-2021-21471 disclosed?

CVE-2021-21471 was first published in the National Vulnerability Database on January 12, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-21471 actively exploited?

CVE-2021-21471 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-21471?

CVE-2021-21471 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2021-21471?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-21471, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2021-21471

📅 Published

🔄 Last Modified

🔗 References (2)