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BDVDB
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Vulnerabilities

CVE-2026-56451 | BDVDB-2026-348393 Detail

SiemensOpcenter X

Description#

A vulnerability has been identified in Opcenter X (All versions < V2604). Affected applications do not properly validate the algorithm specified in the JSON Web Token (JWT) header. This could allow an unauthenticated remote attacker to forge arbitrary JWT, bypass authentication mechanisms and impersonate any user including administrative accounts, potentially gaining full unauthorized access to the application.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

  • CWE-347 Improper Verification of Cryptographic Signature

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.