What is CVE-2021-41571?

CVE-2021-41571 is a medium-severity vulnerability in Apache Pulsar, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2022-02-01.

How severe is CVE-2021-41571?

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

Auth bypass in Apache Pulsar

CVE-2021-41571

In Apache Pulsar it is possible to access data from BookKeeper that does not belong to the topics accessible by the authenticated user. The Admin API get-message-by-id requires the user to input a topic and a ledger id. The ledger id is a…

Vulnerability class: Broken Access Control

EPSS: 0.018 (75.4th percentile) — read the EPSS interpretation.

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:H/I:N/A:N.

Affected products

Apache Pulsar — versions 2.8.0
Apache Software Foundation Pulsar — versions Apache Pulsar

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security@apache.org (Patch, x_refsource_MISC, Vendor Advisory)
security@apache.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
security@apache.org (Mailing List, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-41571?: CVE-2021-41571 is a medium-severity vulnerability in Apache Pulsar, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2022-02-01.
How severe is CVE-2021-41571?: Medium severity. CVSS v3 base score is 6.5 out of 10.