Security readout for executives and security teams
Plain-English summary
This is a cross-site scripting issue in Sonatype Nexus Repository Manager 3 versions before 3.33.0. A logged-in user who can add HTML files to a repository could influence other users’ browser sessions by redirecting them to modified Nexus pages.
Executive priority
Treat as a controlled but real application security risk. Prioritize upgrade for shared Nexus instances, especially where many developers or external partners have repository write access.
Technical view
The CVE describes multiple XSS issues requiring authentication and repository write capability for HTML content. The affected product is Nexus Repository Manager 3 before 3.33.0. No CVSS, CWE, or detailed affected version list is provided in the source bundle.
Likely exposure
Exposure is most likely where Nexus Repository Manager 3 is running below 3.33.0 and users can upload HTML files to repositories. Internet exposure is not stated in the sources.
Exploitation context
The provided sources do not report active exploitation, and the CVE is not marked as KEV. The stated attacker prerequisite is authenticated access plus ability to add HTML files to a repository.
Researcher notes
Evidence is limited to the CVE description and Sonatype references. The source bundle does not include payload details, CVSS scoring, CWE mapping, proof-of-concept status, or confirmed exploitation.
Mitigation direction
- Upgrade Nexus Repository Manager 3 to version 3.33.0 or later.
- Review Sonatype advisory guidance before changing production systems.
- Restrict repository permissions for users who can upload HTML files.
- Review repository content handling policies for untrusted HTML.
Validation and detection
- Inventory Nexus Repository Manager 3 instances and record versions.
- Confirm whether any instance is below version 3.33.0.
- Review user roles with permission to add HTML files.
- Check whether exposed repositories accept HTML uploads from broad user groups.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2021-37152 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://support.sonatype.com/CVE reference · x_refsource_MISC
- https://support.sonatype.com/hc/en-us/articles/4404115639827CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.