CVE-2025-2859

Improper Authentication vulnerability in saTECH BCU

Published Mar 28, 2025 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
An attacker with network access, could capture traffic and obtain user cookies, allowing the attacker to steal the active user session and make changes to the device via web, depending on the privileges obtained by the user.

Remediation

Vendor Solution

The vulnerability has been fixed by Arteche in firmware version 2.2.1.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-8625 An attacker with access to the network where the vulnerable device is located could capture traffic and obtain cookies from the user, allowing them to steal a user's active session and make changes to the device via the web, depending on the privileges obtained by the user.
History
Type Values Removed Values Added
First Time appeared Arteche
Arteche satech Bcu
Arteche satech Bcu Firmware
CPEs cpe:2.3:h:arteche:satech_bcu:-:*:*:*:*:*:*:*
cpe:2.3:o:arteche:satech_bcu_firmware:2.1.3:*:*:*:*:*:*:*
Vendors & Products Arteche
Arteche satech Bcu
Arteche satech Bcu Firmware
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Description An attacker with access to the network where the vulnerable device is located could capture traffic and obtain cookies from the user, allowing them to steal a user's active session and make changes to the device via the web, depending on the privileges obtained by the user. An attacker with network access, could capture traffic and obtain user cookies, allowing the attacker to steal the active user session and make changes to the device via web, depending on the privileges obtained by the user.
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An attacker with access to the network where the vulnerable device is located could capture traffic and obtain cookies from the user, allowing them to steal a user's active session and make changes to the device via the web, depending on the privileges obtained by the user.
Title Improper Authentication vulnerability in saTECH BCU
Weaknesses CWE-287
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
INCIBE
Published
Updated
Apr 4, 2025, 12:46 PM
Reserved
Mar 27, 2025, 10:59 AM
Status
Analyzed
Published
Mar 28, 2025, 2:15 PM
Modified
Jun 17, 2026, 9:07 AM