Cyber Resilience

CVE-2023-24842

Medium

Published: 27 March 2023

Published
27 March 2023
Modified
21 November 2024
KEV Added
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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:L/I:N/A:N
EPSS Score 0.0028 51.7th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-24842 is a medium-severity Authorization Bypass Through User-Controlled Key (CWE-639) vulnerability in Hgiga Oaklouds Mailsherlock. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 48.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

HGiga MailSherlock has vulnerability of insufficient access control. An unauthenticated remote user can exploit this vulnerability to access partial content of another user’s mail by changing user ID and mail ID within URL.

CWE(s)
CWE-639

Related Threats

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

Affected Assets

hgiga
oaklouds mailsherlock
4.5

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.

AC-24 Access Control Decisions
addresses: CWE-639

Per-request decision making makes it harder to bypass authorization using user-controlled keys without proper validation in the decision process.

AC-3 Access Enforcement
addresses: CWE-639

Consistent enforcement of approved authorizations makes bypassing via user-controlled keys ineffective.

References