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CVE-2026-62646

HIGH
7.4
CVSS Score
Published: September 8, 2026 at 08:11 AM UTC
Updated: September 10, 2026 at 07:17 PM UTC
1 product affected across 1 vendorReyrolle 7SR5

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Severity
HIGH7.4
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). A session identifier is generated using an algorithm with insufficient randomness, resulting in a token with low entropy that can be predicted or brute-forced within a feasible number of attempts. This could allow an unauthenticated remote attacker to derive valid session identifiers and bypass authentication.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Reyrolle 7SR5· Siemens
60%
v < V2.70
Affected range stops below V2.70, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://cert-portal.siemens.com/productcert/html/ssa-142885.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.4HIGHsiemens
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-331

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