8.8High

Sonatype Nexus Repository Manager

CVE-2020-11753

An issue was discovered in Sonatype Nexus Repository Manager in versions 3.21.1 and 3.22.0. It is possible for a user with appropriate privileges to create, modify, and execute scripting tasks without use of the UI or API. NOTE: in 3.22.0, scripting is disabled by default (making this not exploitable).

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, with an ordinary user login, and without anyone at your company clicking anything.
  • FIRST's prediction model gives it a 2% chance of attack attempts being seen in the next 30 days, ranking above 76% 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
8.8 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-863
Assigned by
cve@mitre.org

Dates

Published
2020-04-20
Last modified
2026-09-22
Sources
NVD

Affected products

  • Sonatype Nexus Repository Manager3.21.1, 3.22.0

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

References