8.2High
Sonatype Nexus Repository Manager
CVE-2021-40143
Sonatype Nexus Repository 3.x through 3.33.1-01 is vulnerable to an HTTP header injection. By sending a crafted HTTP request, a remote attacker may disclose sensitive information or request external resources from a vulnerable instance.
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, 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 82% of all known flaws.
What to do
- 1Check whether your company or your suppliers run Sonatype Nexus Repository Manager, and which version. The affected versions are listed further down this page.
- 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
- 8.2 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N- Weakness
- CWE-74
- Assigned by
- cve@mitre.org
Dates
- Published
- 2021-09-07
- Last modified
- 2026-09-22
- Sources
- NVD
Affected products
- Sonatype Nexus Repository Manager3.0.0 - 3.34.1-01
As listed in the NVD configuration data. Not a statement about your estate.