Cyber Resilience

CVE-2021-29248

Medium

Published: 05 May 2021

Published
05 May 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0108 78.2th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-29248 is a medium-severity Missing Encryption of Sensitive Data (CWE-311) vulnerability in Btcpayserver Btcpay Server. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 21.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

BTCPay Server through 1.0.7.0 could allow a remote attacker to obtain sensitive information, caused by failure to set the Secure flag for a cookie.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

btcpayserver
btcpay server
≤ 1.0.7.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-311

Privacy and security training stresses encryption of sensitive data, reducing missing encryption weaknesses.

addresses: CWE-311

Exchange agreements must document security requirements, which would include encryption to protect sensitive data in transit.

addresses: CWE-311

The map highlights data actions that involve sensitive data, enabling identification of missing encryption requirements.

addresses: CWE-311

Settings can require encryption of sensitive data, preventing missing encryption weaknesses.

addresses: CWE-311

Architectures must describe confidentiality protections, which includes mandating encryption for sensitive data in transit and at rest.

addresses: CWE-311

Privacy and security curricula stress encryption requirements, reducing missing encryption of sensitive data.

addresses: CWE-311

Requires encryption and similar controls for CUI processed or stored externally, preventing missing encryption of sensitive data.

addresses: CWE-311

Monitoring detects missing encryption of sensitive data in storage or transit configurations.

References