CVE-2021-29133
MEDIUMCVSS 5.5/10EPSS 1.08%
Last modified
CVE-2021-29133 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Lack of verification in haserl, a component of Alpine Linux Configuration Framework, before 0.9.36 allows local users to read the contents of any file on the filesystem.. EPSS estimates a 1.08% chance of exploitation in the next 30 days.
Description
Lack of verification in haserl, a component of Alpine Linux Configuration Framework, before 0.9.36 allows local users to read the contents of any file on the filesystem.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Haserl Project | Haserl | < 0.9.36 |
References
- https://github.com/rapid7/metasploit-framework/pull/14833Exploit, Patch, Third Party Advisory
- https://github.com/rapid7/metasploit-framework/pull/14833/commits/5bf6b2d094deb22fa8183ce161b90cbe4fd40a70Patch, Third Party Advisory
- https://gitlab.alpinelinux.org/alpine/aports/-/issues/12539Issue Tracking, Vendor Advisory
- https://twitter.com/steaIth/status/1364940271054712842Third Party Advisory
- https://github.com/rapid7/metasploit-framework/pull/14833Exploit, Patch, Third Party Advisory
- https://github.com/rapid7/metasploit-framework/pull/14833/commits/5bf6b2d094deb22fa8183ce161b90cbe4fd40a70Patch, Third Party Advisory
- https://gitlab.alpinelinux.org/alpine/aports/-/issues/12539Issue Tracking, Vendor Advisory
- https://twitter.com/steaIth/status/1364940271054712842Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-29133?
Lack of verification in haserl, a component of Alpine Linux Configuration Framework, before 0.9.36 allows local users to read the contents of any file on the filesystem.
How severe is CVE-2021-29133?
CVE-2021-29133 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.
How do I fix CVE-2021-29133?
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-2021-29133?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST