CVE-2021-40143 HTTP header injection in Sonatype Nexus Repository
High 8.2
Published
Updated
Check this codebase for CVE-2021-40143 and fix it if it is affected.
What it is: CVE-2021-40143 is a high-severity vulnerability in Sonatype Nexus Repository Manager, published on 7 Sep 2021.
Exploitation: There is no known exploitation of CVE-2021-40143 in the wild and no public exploit code.
Affected packages and fixed versions:
- org.sonatype.nexus:nexus-repository (Maven): affected from 3.0.0; fixed in 3.34.0-01
- org.sonatype.nexus:nexus-repository (Maven): affected from 3.0.0; fixed in 3.34.0-01
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2021-40143/ (Markdown: https://insights.sbomify.com/CVE-2021-40143/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2021-40143?
CVE-2021-40143 is a high-severity vulnerability in Sonatype Nexus Repository Manager, published on 7 Sep 2021.
Official description
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.
Weakness: CWE-74
Which versions are affected by CVE-2021-40143?
2 open source packages ship an affected version, including org.sonatype.nexus:nexus-repository. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.sonatype.nexus:nexus-repository Maven | From 3.0.0 | 3.34.0-01 |
org.sonatype.nexus:nexus-repository Maven | From 3.0.0 | 3.34.0-01 |
Products include Sonatype Nexus Repository Manager.
How do I fix CVE-2021-40143?
Upgrade org.sonatype.nexus:nexus-repository to 3.34.0-01 or later.
Is CVE-2021-40143 being exploited?
There is no known exploitation of CVE-2021-40143 in the wild and no public exploit code.
Other vulnerabilities in Sonatype Nexus Repository Manager
- CVE-2019-7238 Sonatype Nexus Repository Manager Incorrect Access Control
- CVE-2019-9629 Hardcoded credentials in n/a
- CVE-2017-17717 Hardcoded credentials in n/a
- CVE-2026-3199 Nexus Repository 3 - Authenticated Remote Code Execution via Task Property Injection
- CVE-2026-5189 Nexus Repository 3 - Hardcoded Credential in Internal Database Component
Sources
Also known as GHSA-f34x-8pf6-qc9c.