CVE-2023-2538 - CVE House
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Status published Medium CVE-2023-2538

TLS Private Key Accessible to External Parties

Vulnerability Description

A CWE-552 "Files or Directories Accessible to External Parties” in the web interface of the Tyan S5552 BMC version 3.00 allows an unauthenticated remote attacker to retrieve the private key of the TLS certificate in use by the BMC via forced browsing. This can then be abused to perform Man-in-the-Middle (MitM) attacks against victims that access the web interface through HTTPS.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Andrea Palanca of Nozomi Networks found this bug during a security research activity.

Affected Vendor

Affected Software

s5552_bmc
Vulnerable Versions:
3.00

Timeline

Official Publish: July 5th, 2023
Last Modified: October 24th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L

Weaknesses (CWE)