5.4Medium

Sonatype Nexus Repository Manager

CVE-2020-15869

Sonatype Nexus Repository Manager OSS/Pro versions before 3.25.1 allow XSS (issue 1 of 2).

What this means for your business

  • It affects Sonatype Nexus Repository Manager. It matters if your company, or a supplier that handles your data, runs it.
  • An attacker can use it remotely, over a network, without a login, but only after tricking someone into an action such as opening a file or a link.
  • FIRST's prediction model gives it a 0.7% chance of attack attempts being seen in the next 30 days, ranking above 50% of all known flaws.

What to do

  1. 1Check whether your company or your suppliers run Sonatype Nexus Repository Manager, and which version. The affected versions are listed further down this page.
  2. 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.

Not sure if your company is exposed?

Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.

Scoring

CVSS
5.4 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness
CWE-79
Assigned by
cve@mitre.org

Dates

Published
2020-07-31
Last modified
2026-09-22
Sources
NVD

Affected products

  • Sonatype Nexus Repository Manager- 3.25.1

As listed in the NVD configuration data. Not a statement about your estate.

References