Cyber Resilience

CVE-2022-0266

MediumPublic PoC

Published: 19 January 2022

Published
19 January 2022
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 6.6 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0030 54.0th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-0266 is a medium-severity Authorization Bypass Through User-Controlled Key (CWE-639) vulnerability in Livehelperchat Live Helper Chat. Its CVSS base score is 6.6 (Medium).

Operationally, ranked in the top 46.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Authorization Bypass Through User-Controlled Key in Packagist remdex/livehelperchat prior to 3.92v.

CWE(s)
CWE-639

Related Threats

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

Affected Assets

livehelperchat
live helper chat
≤ 3.92

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