Cyber Resilience

CVE-2023-28481

HighPublic PoC

Published: 14 August 2023

Published
14 August 2023
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0008 23.9th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-28481 is a high-severity Authorization Bypass Through User-Controlled Key (CWE-639) vulnerability in Tigergraph Tigergraph. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 23.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

An issue was discovered in Tigergraph Enterprise 3.7.0. There is unsecured write access to SSH authorized keys file. Any code running as the tigergraph user is able to add their SSH public key into the authorised keys file. This allows…

more

an attacker to obtain password-less SSH key access by using their own SSH key.

CWE(s)
CWE-639

Related Threats

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

Affected Assets

tigergraph
tigergraph
3.7.0

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.

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