Cyber Resilience

CVE-2020-27374

HighPublic PoC

Published: 07 April 2022

Published
07 April 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0012 30.5th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-27374 is a high-severity Authentication Bypass by Capture-replay (CWE-294) vulnerability in Drtrustusa Icheck Connect Bp Monitor Bp Testing 118 Firmware. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 30.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Dr Trust USA iCheck Connect BP Monitor BP Testing 118 1.2.1 is vulnerable to a Replay Attack to BP Monitoring.

CWE(s)

Related Threats

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

Affected Assets

drtrustusa
icheck connect bp monitor bp testing 118 firmware
1.2.1

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-294

Allows detection of capture-replay attacks by showing the replayed logon's timestamp as the last logon.

addresses: CWE-294

Protects against replay of captured session tokens or credentials by requiring authenticated, fresh session channels.

addresses: CWE-294

Wireless link protections commonly incorporate replay protection, reducing the exploitability of capture-replay weaknesses.

addresses: CWE-294

Accurate synchronized time enables tight timestamp windows that directly limit capture-replay windows in authentication protocols.

References