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BDVDB
বাংলা

Vulnerabilities

CVE-2026-110021 | BDVDB-2026-400232 Detail

Phoenix ContactPLCnext Engineer

Description#

PLCnext Engineer checks GSDX manifest reference digests but does not cryptographically verify the XML `SignatureValue` over canonicalized `SignedInfo`. An unauthenticated local attacker can modify signed GSDML content, update its manifest digest, retain the public certificate data, and leave an invalid nonempty `SignatureValue`. PLCnext Engineer prior to 2026.6 reports the package as `Valid` and selects the modified device description for import under the default policy.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact high, availability impact none. Attack vector: local.

Weaknesses#

  • CWE-347 Improper Verification of Cryptographic Signature

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.