CVE-2021-29251
BTCPay Server before 1.0.7.1 mishandles the policy setting in which users can register (in Server...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-29251- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-29251- Updated
- 2026-11-02
EUVDEUVD-2021-15890 No score
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.
- Record
EUVD-2021-15890- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8qq9-8h7f-8qvp No score
BTCPay Server before 1.0.7.1 mishandles the policy setting in which users can register (in Server...
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.
- Record
GHSA-8qq9-8h7f-8qvp- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-29251- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-29251 is a medium vulnerability (CVSS 6.5) in Btcpayserver Btcpay Server, published April 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.79%, the 56th percentile. No source names a fixed version.