CVE-2021-29249
BTCPay Server before 1.0.6.0, when the payment button is used, has a privacy vulnerability.
BTCPay Server before 1.0.6.0, when the payment button is used, has a privacy vulnerability.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
BTCPay Server before 1.0.6.0, when the payment button is used, has a privacy vulnerability.
- Record
CVE-2021-29249- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
BTCPay Server before 1.0.6.0, when the payment button is used, has a privacy vulnerability.
- Record
CVE-2021-29249- Updated
- 2026-11-02
EUVDEUVD-2021-15888 No score
BTCPay Server before 1.0.6.0, when the payment button is used, has a privacy vulnerability.
- Record
EUVD-2021-15888- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xgwm-rhgp-jr5w No score
BTCPay Server before 1.0.6.0, when the payment button is used, has a privacy vulnerability.
BTCPay Server before 1.0.6.0, when the payment button is used, has a privacy vulnerability.
- Record
GHSA-xgwm-rhgp-jr5w- Updated
- 2026-11-02
OSV
BTCPay Server before 1.0.6.0, when the payment button is used, has a privacy vulnerability.
- Record
CVE-2021-29249- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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-2021-29249 is a high vulnerability (CVSS 7.5) in Btcpayserver Btcpay Server, published March 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.19%, the 68th percentile. No source names a fixed version.