CVE-2021-29158 Nexus Repository Manager 3 - Sensitive Information Disclosure - 2021-04-22

Date: April 22nd, 2021

Affected Versions:

  • Nexus Repository Manager 3 Pro versions up to and including 3.30.0

Fixed in Version:

  • Nexus Repository Manager 3 Pro version 3.30.1 and later


Medium - 4.9 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)


A sensitive information disclosure (SID) vulnerability has been discovered in Nexus Repository Manager 3 Pro.

An authenticated attacker can retrieve the user token generated by another user in a minute set of circumstances. We have fixed the issue by ensuring the user can only retrieve the user token that user has created. This advisory provides the pertinent information needed to properly address this vulnerability, along with the details on how to reach us if you have any further questions or concerns.

We are not aware of any active exploits taking advantage of this issue. However, we strongly encourage all users of Nexus Repository Manager 3 to immediately take the steps outlined in this advisory. We are highly recommending all instances of Nexus Repository Manager 3 Pro be upgraded to 3.30.1 or later. The latest version can be downloaded from:

Nexus Repository Manager 3 Download

For detailed information on upgrading, please see:

Upgrading Nexus Repository Manager 3.1.0 and Newer


If you run into any problems or have any questions/concerns, please contact us by filing a ticket at

Frequently Asked Questions:

Q: What is the risk associated with this vulnerability?

A: An authenticated attacker could retrieve the user token for another user.

Q: What preconditions must be met in order to be vulnerable?

A: An attacker must have proper credentials for authentication.

Q: Are there implications associated with this advisory itself?

A: Unfortunately, disclosure means bad actors may try to take advantage. While we have initially limited the information to the minimum details necessary for users to affect an appropriate fix, this merely slows down a would be attacker. As such, we are advising all organizations utilizing NXRM to immediately assess their individual impact and take appropriate action in response.

Q: Where can I obtain more information associated with the vulnerability?

A: At this time, and in the interest of best protecting our user community, we are limiting the information released to that absolutely required in order to assess impact and affect remediation. Please contact support for more information.

Q: Why is Sonatype making this information available?

A: This is part of a responsible disclosure process. We are taking a concerted and proactive approach in our outreach activities and an effort to achieve the most rapid remediation possible.

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