CVE-2020-21554
HIGHCVSS 8.1/10EPSS 1.50%
Last modified
CVE-2020-21554 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. A File Deletion vulnerability exists in TinyShop 3.1.1 in the back_list parameter in controllers\admin.php, which could let a malicious user delete any file such as install.lock to reinstall cms.. EPSS estimates a 1.50% chance of exploitation in the next 30 days.
Description
A File Deletion vulnerability exists in TinyShop 3.1.1 in the back_list parameter in controllers\admin.php, which could let a malicious user delete any file such as install.lock to reinstall cms.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tinyrise | Tinyshop | 3.1.1 |
References
- http://tinyrise.com/Broken Link
- http://tinyrise.com/down.htmlBroken Link
- https://imgur.com/dg1DM5TExploit, Third Party Advisory
- https://imgur.com/pA8OWxaExploit, Third Party Advisory
- http://tinyrise.com/Broken Link
- http://tinyrise.com/down.htmlBroken Link
- https://imgur.com/dg1DM5TExploit, Third Party Advisory
- https://imgur.com/pA8OWxaExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-21554?
A File Deletion vulnerability exists in TinyShop 3.1.1 in the back_list parameter in controllers\admin.php, which could let a malicious user delete any file such as install.lock to reinstall cms.
How severe is CVE-2020-21554?
CVE-2020-21554 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.
How do I fix CVE-2020-21554?
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-2020-21554?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST