Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2023-2538

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
05/07/2023
Last modified:
30/09/2024

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

Vector 3.x
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.20 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x
4.20
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:h:tyan:s5552\/s5552wgm4nr-ex:-:*:*:*:*:*:*:*
cpe:2.3:o:tyan:s5552\/s5552wgm4nr-ex_firmware:3.0.0:*:*:*:*:*:*:*
cpe:2.3:h:tyan:s5552\/s5552wgm4nr:-:*:*:*:*:*:*:*
cpe:2.3:o:tyan:s5552\/s5552wgm4nr_firmware:3.0.0:*:*:*:*:*:*:*
cpe:2.3:h:tyan:s5552\/s5552gm4nr:-:*:*:*:*:*:*:*
cpe:2.3:o:tyan:s5552\/s5552gm4nr_firmware:3.0.0:*:*:*:*:*:*:*
cpe:2.3:h:tyan:s5552\/s5552gm2nr:-:*:*:*:*:*:*:*
cpe:2.3:o:tyan:s5552\/s5552gm2nr_firmware:3.0.0:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools