What is CVE-2021-21471?

CVE-2021-21471 is a medium-severity vulnerability in SAP Cla-Assistant. CVSS score: 6.5/10. Published 2021-01-12.

How severe is CVE-2021-21471?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in SAP Cla-Assistant

CVE-2021-21471

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.

Published 2021-01-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.6th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

SAP Cla-Assistant
SAP Se Cla-Assistant — versions < 2.8.5

References

github.com/cla-assistant/cla-assistant/security/advisories/GHSA-4h6f-c68c-pxhr (Third Party Advisory)

Frequently asked questions

What is CVE-2021-21471?: CVE-2021-21471 is a medium-severity vulnerability in SAP Cla-Assistant. CVSS score: 6.5/10. Published 2021-01-12.
How severe is CVE-2021-21471?: Medium severity. CVSS v3 base score is 6.5 out of 10.