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CVE-2023-37544

HIGH
Published 2023-12-20T08:34:02.393Z
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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.155
Higher than 15.5% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Description

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 through 2.9.*, from 2.10.0 through 2.10.4, from 2.11.0 through 2.11.1, 3.0.0.

The known risks include a denial of service due to the WebSocket Proxy accepting any connections, and excessive data transfer due to misuse of the WebSocket ping/pong feature.

2.10 Pulsar WebSocket Proxy users should upgrade to at least 2.10.5.
2.11 Pulsar WebSocket Proxy users should upgrade to at least 2.11.2.
3.0 Pulsar WebSocket Proxy users should upgrade to at least 3.0.1.
3.1 Pulsar WebSocket Proxy users are unaffected.
Any users running the Pulsar WebSocket Proxy for 2.8, 2.9, and earlier should upgrade to one of the above patched versions.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Apache Software Foundation

Apache Pulsar WebSocket Proxy

Affected Versions:

2.8.0 2.9.0 2.10.0 2.11.0 3.0.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

Apache Pulsar WebSocket Proxy contains an Improper Authentication vulnerability

GHSA-83q5-whqp-r8jr

Advisory Details

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 through 2.9.*, from 2.10.0 through 2.10.4, from 2.11.0 through 2.11.1, 3.0.0. The known risks include a denial of service due to the WebSocket Proxy accepting any connections, and excessive data transfer due to misuse of the WebSocket ping/pong feature. 2.10 Pulsar WebSocket Proxy users should upgrade to at least 2.10.5. 2.11 Pulsar WebSocket Proxy users should upgrade to at least 2.11.2. 3.0 Pulsar WebSocket Proxy users should upgrade to at least 3.0.1. 3.1 Pulsar WebSocket Proxy users are unaffected. Any users running the Pulsar WebSocket Proxy for 2.8, 2.9, and earlier should upgrade to one of the above patched versions.

Affected Packages

Maven org.apache.pulsar:pulsar-websocket
ECOSYSTEM: ≥0 <2.10.5
Maven org.apache.pulsar:pulsar-websocket
ECOSYSTEM: ≥2.11.0 <2.11.2
Maven org.apache.pulsar:pulsar-websocket
ECOSYSTEM: ≥3.0.0 <3.0.1

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-37544
WEB https://github.com/apache/pulsar/commit/11ee36d0351644a006d2a8639bdcc714fb602358
WEB https://github.com/apache/pulsar/commit/894192fb6542e504be43034a3c33e90f9c6e528a
WEB https://github.com/apache/pulsar/commit/eac263e8f2a93d3b9f707b97c7bbcbc2a826569f
PACKAGE https://github.com/apache/pulsar
WEB https://lists.apache.org/thread/od0k9zts1toc9h9snbqq4pjpyx28mv4m
WEB http://www.openwall.com/lists/oss-security/2023/12/20/2

Advisory provided by GitHub Security Advisory Database. Published: December 20, 2023, Modified: December 20, 2023

References

https://lists.apache.org/thread/od0k9zts1toc9h9snbqq4pjpyx28mv4m
http://www.openwall.com/lists/oss-security/2023/12/20/2
Published: 2023-12-20T08:34:02.393Z
Last Modified: 2025-02-13T17:01:29.212Z
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