CVE-2021-29251
MEDIUMCVSS 6.5/10EPSS 0.79%
Last modified
CVE-2021-29251 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. BTCPay Server before 1.0.7.1 mishandles the policy setting in which users can register (in Server Settings > Policies). This affects Docker use cases in which a mail server is configured.. EPSS estimates a 0.79% chance of exploitation in the next 30 days.
Description
BTCPay Server before 1.0.7.1 mishandles the policy setting in which users can register (in Server Settings > Policies). This affects Docker use cases in which a mail server is configured.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Btcpayserver | Btcpay Server | < 1.0.7.1 |
References
- https://blog.btcpayserver.org/vulnerability-disclosure-v1-0-7-0/Release Notes, Vendor Advisory
- https://github.com/btcpayserver/btcpayserver/releases/tag/v1.0.7.1Release Notes, Third Party Advisory
- https://blog.btcpayserver.org/vulnerability-disclosure-v1-0-7-0/Release Notes, Vendor Advisory
- https://github.com/btcpayserver/btcpayserver/releases/tag/v1.0.7.1Release Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-29251?
BTCPay Server before 1.0.7.1 mishandles the policy setting in which users can register (in Server Settings > Policies). This affects Docker use cases in which a mail server is configured.
How severe is CVE-2021-29251?
CVE-2021-29251 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.
How do I fix CVE-2021-29251?
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-2021-29251?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST