Is CVE-2021-21471 in the CISA KEV catalog?

No. CVE-2021-21471 is not currently on the CISA Known Exploited Vulnerabilities list.

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

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

What is the EPSS score for CVE-2021-21471?

CVE-2021-21471 has an EPSS score of 0.73% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-21471?

Upgrade cla-assistant to 2.8.5 or later.

CVE & CISA-KEV Catalog

CVE-2021-21471

MEDIUM

6.5

CVSS v3

NVD

Description

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.

How to fix

Remediation Available

cla-assistantNVD

Affected:< 2.8.5Fixed in:2.8.5CVE-2021-21471derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

0.73%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Third-Party Advisory1

github.com

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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.