Cyber Resilience

CVE-2023-45808

Medium

Published: 15 April 2024

Published
15 April 2024
Modified
06 February 2025
KEV Added
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Patch
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CVSS Score v3.1 4.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N
EPSS Score 0.0028 51.8th percentile
Risk Priority 8 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-45808 is a medium-severity Authorization Bypass Through User-Controlled Key (CWE-639) vulnerability in Combodo Itop. Its CVSS base score is 4.1 (Medium).

Operationally, ranked in the top 48.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

iTop is an IT service management platform. When creating or updating an object, extkey values aren't checked to be in the current user silo. In other words, by forging an http request, the user can create objects pointing to out…

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of silo objects (for example a UserRequest in an out of scope Organization). Fixed in iTop 2.7.10, 3.0.4, 3.1.1, and 3.2.0.

CWE(s)
CWE-639

Related Threats

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

Affected Assets

combodo
itop
≤ 2.7.10 · 3.0.0 — 3.0.4 · 3.1.0 — 3.1.1

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