Cyber Resilience

CVE-2023-28821

Medium

Published: 28 April 2023

Published
28 April 2023
Modified
30 January 2025
KEV Added
—
Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0027 51.2th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-28821 is a medium-severity Weak Password Recovery Mechanism for Forgotten Password (CWE-640) vulnerability in Concretecms Concrete Cms. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 48.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Concrete CMS (previously concrete5) before 9.1 did not have a rate limit for password resets.

CWE(s)
CWE-640

Related Threats

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

Affected Assets

concretecms
concrete cms
≤ 9.1.0

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.

IA-5 Authenticator Management
addresses: CWE-640

Establishing procedures for lost or compromised authenticators addresses weak password recovery mechanisms.

References