CVE-2021-27023
CRITICALCVSS 9.8/10EPSS 1.33%
Last modified
CVE-2021-27023 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A flaw was discovered in Puppet Agent and Puppet Server that may result in a leak of HTTP credentials when following HTTP redirects to a different host. This is similar to CVE-2018-1000007. EPSS estimates a 1.33% chance of exploitation in the next 30 days.
Description
A flaw was discovered in Puppet Agent and Puppet Server that may result in a leak of HTTP credentials when following HTTP redirects to a different host. This is similar to CVE-2018-1000007
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Puppet | Puppet Agent | < 6.25.1 |
| Puppet | Puppet Agent | >= 7.0.0, < 7.12.1 |
| Puppet | Puppet Enterprise | < 2019.8.9 |
| Puppet | Puppet Enterprise | >= 2021.0.0, < 2021.4 |
| Puppet | Puppet Server | < 6.17.1 |
| Puppet | Puppet Server | >= 7.0.0, < 7.4.2 |
| Fedoraproject | Fedora | 35 |
References
- https://puppet.com/security/cve/CVE-2021-27023Vendor Advisory
- https://puppet.com/security/cve/CVE-2021-27023Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-27023?
A flaw was discovered in Puppet Agent and Puppet Server that may result in a leak of HTTP credentials when following HTTP redirects to a different host. This is similar to CVE-2018-1000007
How severe is CVE-2021-27023?
CVE-2021-27023 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.33% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27023?
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-2021-27023?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST