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Vulnerability DatabaseCVE-2021-43293

CVE-2021-43293: 
Sonatype Nexus 3 vulnerability analysis and mitigation

Overview

Sonatype Nexus Repository Manager 3.x before version 3.36.0 contains a Server Side Request Forgery (SSRF) vulnerability that allows remote authenticated attackers to perform network enumeration. The vulnerability was disclosed on November 4, 2021 and affects all versions of Nexus Repository Manager 3.x up to version 3.35.0 (NVD).

Technical details

The vulnerability is classified as a Server-Side Request Forgery (SSRF) issue (CWE-918). It has been assigned a CVSS v3.1 base score of 4.3 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N. This indicates that the vulnerability requires network access and low-level privileges to exploit, requires no user interaction, has unchanged scope, and can impact confidentiality but not integrity or availability (NVD).

Impact

The vulnerability allows authenticated attackers to perform network enumeration through Server Side Request Forgery. This could potentially lead to the disclosure of sensitive information about the internal network structure (NVD).

Mitigation and workarounds

The recommended mitigation is to upgrade all instances of Nexus Repository Manager to version 3.36.0 or later. The vulnerability has been fixed in this version (Sonatype Advisory).

Additional resources

Source: This report was generated using AI

Related Sonatype Nexus 3 vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2021-37152MEDIUM5.4
  • Sonatype Nexus 3Sonatype Nexus 3
  • cpe:2.3:a:sonatype:nexus_repository_manager
NoYesAug 10, 2021
CVE-2022-27907MEDIUM4.3
  • Sonatype Nexus 3Sonatype Nexus 3
  • cpe:2.3:a:sonatype:nexus_repository_manager
NoYesMar 30, 2022
CVE-2021-43961MEDIUM4.3
  • Sonatype Nexus 3Sonatype Nexus 3
  • cpe:2.3:a:sonatype:nexus_repository_manager
NoYesMar 17, 2022
CVE-2021-43293MEDIUM4.3
  • Sonatype Nexus 3Sonatype Nexus 3
  • cpe:2.3:a:sonatype:nexus_repository_manager
NoYesNov 04, 2021
CVE-2021-42568MEDIUM4.3
  • Sonatype Nexus 3Sonatype Nexus 3
  • cpe:2.3:a:sonatype:nexus_repository_manager
NoYesNov 02, 2021

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