CVE-2023-47435

Critical

Published: 19 April 2024

Published

19 April 2024

Modified

15 April 2026

KEV Added

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Patch

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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0008 24.1th percentile

Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-47435 is a critical-severity Authentication Bypass by Capture-replay (CWE-294) vulnerability. Its CVSS base score is 9.8 (Critical).

Operationally, ranked at the 24.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

An issue in the verifyPassword function of hexo-theme-matery v2.0.0 allows attackers to bypass authentication and access password protected pages.

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

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.