Cyber Resilience

CVE-2021-28248

HighPublic PoC

Published: 26 March 2021

Published
26 March 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0024 47.1th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-28248 is a high-severity Improper Restriction of Excessive Authentication Attempts (CWE-307) vulnerability in Broadcom Ehealth. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 47.1th 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

CA eHealth Performance Manager through 6.3.2.12 is affected by Improper Restriction of Excessive Authentication Attempts. An attacker is able to perform an arbitrary number of /web/frames/ authentication attempts using different passwords, and eventually gain access to a targeted account, NOTE:…

more

This vulnerability only affects products that are no longer supported by the maintainer

CWE(s)

Related Threats

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

Affected Assets

broadcom
ehealth
≤ 6.3.2.12

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-307

This control directly enforces limits on consecutive invalid logon attempts and automatic response (e.g., lockout) to prevent brute-force exploitation of authentication mechanisms.

addresses: CWE-307

Specific conditions can include excessive failed attempts, triggering stronger authentication that restricts brute-force exploitation.

References