What is CVE-2023-37544?

CVE-2023-37544 is a high-severity vulnerability in Apache Pulsar, classified under Improper Authentication. CVSS score: 7.5/10. Published 2023-12-20.

How severe is CVE-2023-37544?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Apache Pulsar

CVE-2023-37544

Improper Authentication vulnerability in Apache Pulsar WebSocket Proxy allows an attacker to connect to the /pingpong endpoint without authentication. This issue affects Apache Pulsar WebSocket Proxy: from 2.8.0 through 2.8.*, from 2.9.0…

Vulnerability class: Broken Authentication

EPSS: 0.014 (68.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Apache Pulsar — versions 3.0.0
Apache Software Foundation Pulsar Websocket Proxy — versions 2.8.0, 2.9.0, 2.10.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

security@apache.org (vendor-advisory, Mailing List)
security@apache.org (Mailing List)

Frequently asked questions

What is CVE-2023-37544?: CVE-2023-37544 is a high-severity vulnerability in Apache Pulsar, classified under Improper Authentication. CVSS score: 7.5/10. Published 2023-12-20.
How severe is CVE-2023-37544?: High severity. CVSS v3 base score is 7.5 out of 10.