# CVE-2021-41571: Improper Input Validation in Apache Pulsar

Source: https://junglewise.ai/threats/cve-2021-41571-improper-input-validation-in-apache-pulsar  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-02-02  
License: CC BY 4.0 with a link back

CVE-2021-41571 · Severity: low · CVSS 3.1 · Published 2022-02-02

Improper Input Validation in Apache Pulsar

Technologies: [org.apache.pulsar:pulsar (Maven)](https://junglewise.ai/threats/technologies/org-apache-pulsar-pulsar). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2021-41571 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2021-41571 being exploited in the wild.

**How severe is CVE-2021-41571?** Low severity, with a CVSS score of 3.1, published 2 February 2022.

**Which products and versions are affected?** org.apache.pulsar:pulsar (Maven) ECOSYSTEM:introduced=0,last_affected=2.6.4.

**Is there a fix for CVE-2021-41571?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2021-41571?** Check whether you run org.apache.pulsar:pulsar (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- org.apache.pulsar:pulsar (Maven) ECOSYSTEM:introduced=0,last_affected=2.6.4

## Identifiers

- CVE-2021-41571
- GHSA-3whx-qrj5-hh2h

## Related threats

- [Apache Pulsar Incorrect Authorization vulnerability](https://junglewise.ai/threats/cve-2023-30429-apache-pulsar-incorrect-authorization-vulnerability)
- [Proxy component of Apache Pulsar subject to abuse as Denial of Service endpoint](https://junglewise.ai/threats/cve-2022-24280-proxy-component-of-apache-pulsar-subject-to-abuse-as-denial-of)
- [Improper Verification of Cryptographic Signature in Apache Pulsar in TensorFlow](https://junglewise.ai/threats/cve-2021-22160-improper-verification-of-cryptographic-signature-in-apache-pulsar)