Vulnerability in Apache Pulsar

CVE-2022-33681

Delayed TLS hostname verification in the Pulsar Java Client and the Pulsar Proxy make each client vulnerable to a man in the middle attack. Connections from the Pulsar Java Client to the Pulsar Broker/Proxy and connections from the Pulsar…

Vulnerability class: Improper Certificate Validation

EPSS: 0.006 (42.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-33681?
CVE-2022-33681 is a medium-severity vulnerability in Apache Pulsar, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2022-09-23.
How severe is CVE-2022-33681?
Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2022-33681 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.