CVE-2021-22160

Summary

CVECVE-2021-22160
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-26 13:15:00 UTC
Updated2023-11-07 03:30:00 UTC
DescriptionIf Apache Pulsar is configured to authenticate clients using tokens based on JSON Web Tokens (JWT), the signature of the token is not validated if the algorithm of the presented token is set to "none". This allows an attacker to connect to Pulsar instances as any user (incl. admins).

Risk And Classification

Problem Types: CWE-347

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Apache Pulsar All All All All

References

ReferenceSourceLinkTags
[pulsar-users] 20210527 Re: [SECURITY] [CVE-2021-22160] Authentication with JWT allows use of "none"-algorithm lists.apache.org
[pulsar-dev] 20210531 Re: [DISCUSS] Propose More Formal Policy for Security Patches and EOL of Versions lists.apache.org
Pony Mail! MLIST lists.apache.org
[pulsar-dev] 20210527 Re: Cutting 2.6.4 release to address CVE-2021-22160 lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! MISC lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! MLIST lists.apache.org
[pulsar-dev] 20210527 Cutting 2.6.4 release to address CVE-2021-22160 lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! MLIST lists.apache.org
[pulsar-dev] 20210527 Re: [SECURITY] [CVE-2021-22160] Authentication with JWT allows use of "none"-algorithm lists.apache.org
[pulsar-dev] 20210604 Re: [DISCUSS] Propose More Formal Policy for Security Patches and EOL of Versions lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! MLIST lists.apache.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 982355 Java (maven) Security Update for org.apache.pulsar:pulsar (GHSA-3cv4-xxv7-934q)

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report