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Attacker Value
Unknown
CVE-2021-30065
Disclosure Date: April 03, 2022 (last updated October 07, 2023)
On Schneider Electric ConneXium Tofino Firewall TCSEFEA23F3F22 before 03.23, TCSEFEA23F3F20/21, and Belden Tofino Xenon Security Appliance, crafted ModBus packets can bypass the ModBus enforcer. NOTE: this issue exists because of an incomplete fix of CVE-2017-11401.
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Attacker Value
Unknown
CVE-2017-11401
Disclosure Date: November 20, 2017 (last updated November 26, 2024)
An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. Improper handling of the mbap.length field of ModBus packets in the ModBus DPI filter allows an attacker to send malformed/crafted packets to a protected asset, bypassing function code filtering.
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