CVE-2015-8559
HIGHCVSS 7.5/10EPSS 1.93%
Last modified
CVE-2015-8559 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The knife bootstrap command in chef Infra client before version 15.4.45 leaks the validator.pem private RSA key to /var/log/messages.. EPSS estimates a 1.93% chance of exploitation in the next 30 days.
Description
The knife bootstrap command in chef Infra client before version 15.4.45 leaks the validator.pem private RSA key to /var/log/messages.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chef | Chef | < 15.4.45 |
References
- http://www.openwall.com/lists/oss-security/2015/12/14/14Mailing List, Third Party Advisory
- https://github.com/chef/chef/issues/3871Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/12/14/14Mailing List, Third Party Advisory
- https://github.com/chef/chef/issues/3871Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2015-8559?
The knife bootstrap command in chef Infra client before version 15.4.45 leaks the validator.pem private RSA key to /var/log/messages.
How severe is CVE-2015-8559?
CVE-2015-8559 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.93% probability of exploitation in the next 30 days.
How do I fix CVE-2015-8559?
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-2015-8559?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST