Cyber Resilience

CVE-2023-34329

Critical

Published: 18 July 2023

Published
18 July 2023
Modified
13 February 2025
KEV Added
Patch
CVSS Score v3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0002 6.1th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-34329 is a critical-severity Authentication Bypass by Spoofing (CWE-290) vulnerability in Ami Megarac Sp-X. Its CVSS base score is 9.1 (Critical).

Operationally, ranked at the 6.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

AMI MegaRAC SPx12 contains a vulnerability in BMC where a User may cause an authentication bypass by spoofing the HTTP header. A successful exploit of this vulnerability may lead to loss of confidentiality, integrity, and availability.

CWE(s)

Related Threats

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

Affected Assets

ami
megarac sp-x
12, 13

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.

addresses: CWE-306 CWE-290

Requires authentication of devices prior to connection, preventing exploitation of missing authentication for critical network functions.

addresses: CWE-306 CWE-290

Requires authentication for non-organizational users, preventing access to critical functions without proper identification and authentication.

addresses: CWE-306 CWE-290

Mandates authentication prior to establishing communications with services, preventing missing authentication for this critical function.

addresses: CWE-306

Requires established identification and authentication to unlock, mitigating missing authentication for continued system access.

addresses: CWE-306

Requiring identification and rationale for actions allowed without authentication ensures critical functions are not left unprotected by forcing review of authentication requirements.

addresses: CWE-306

Authorizing mobile device connections to organizational systems ensures authentication is performed for this critical access function.

addresses: CWE-306

Guarantees critical functions are protected by mandatory invocation of the access control mechanism.

addresses: CWE-290

Reveals spoofed logon attempts through unexpected previous logon timestamps upon legitimate login.

References