Vulnerability · Published Jul 5, 2023 · Assigned by Nozomi
CVE-2023-2538TLS Private Key Accessible to External Parties
Medium 5.8
In plain English
A medium-severity security flaw in s5552_bmc from tyan. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-552 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L