CVE-2021-23019
HIGHCVSS 7.8/10EPSS 0.24%
Last modified
CVE-2021-23019 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The NGINX Controller 2.0.0 thru 2.9.0 and 3.x before 3.15.0 Administrator password may be exposed in the systemd.txt file that is included in the NGINX support package.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
The NGINX Controller 2.0.0 thru 2.9.0 and 3.x before 3.15.0 Administrator password may be exposed in the systemd.txt file that is included in the NGINX support package.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Nginx Controller | >= 2.0.0, <= 2.9.0 |
| F5 | Nginx Controller | >= 3.0.0, < 3.15.0 |
References
- https://support.f5.com/csp/article/K04884013Vendor Advisory
- https://support.f5.com/csp/article/K04884013Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-23019?
The NGINX Controller 2.0.0 thru 2.9.0 and 3.x before 3.15.0 Administrator password may be exposed in the systemd.txt file that is included in the NGINX support package.
How severe is CVE-2021-23019?
CVE-2021-23019 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23019?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-23019?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST