CVE-2026-62645

Web Interface Session ID Disclosure Allows Authentication Bypass

Published Sep 8, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). Information is exposed through the web interface that can be used to calculate the current and past session ID numbers. This could allow an attacker to bypass the authentication and gain unauthorized access to the device.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Siemens
Siemens reyrolle 7sr5
Vendors & Products Siemens
Siemens reyrolle 7sr5
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Web Interface Session ID Disclosure Allows Authentication Bypass
Type Values Removed Values Added
Description A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). Information is exposed through the web interface that can be used to calculate the current and past session ID numbers. This could allow an attacker to bypass the authentication and gain unauthorized access to the device.
Weaknesses CWE-306
References
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'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
siemens
Published
Updated
Sep 8, 2026, 12:26 PM
Reserved
Jul 14, 2026, 4:24 PM
Status
Deferred
Published
Sep 8, 2026, 9:18 AM
Modified
Sep 8, 2026, 6:41 PM