CVE-2026-62647

Published: Sep 8, 2026Updated: Sep 14, 2026 Sources: CVE List NVD csafCWE-20

7.4HIGH

NVD MITRE

Description

A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). A random number generator is used to generate security-relevant values (such as session identifiers used for authentication purposes) that is not initialized with a True Random Number Generator (TRNG), resulting in a predictable sequence of generated values. This could allow an unauthenticated remote attacker to more easily predict the generated values and impersonate a legitimate authenticated user, potentially gaining unauthorized access to the device.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:HAttack Complexity

High

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:NAvailability

None

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Weaknesses

CWE-20

Affected Products

Siemens

commercial·DEaka siemens ag

Reyrolle 7SR5On-prem

Enterprise Software / collaboration-groupware

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Initial Access

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References

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

cert-portal.siemens.com

https://cert-portal.siemens.com/productcert/csaf/ssa-142885.json

cert-portal.siemens.com

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-258-05.json

raw.githubusercontent.com

and 41 more references View all →

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