CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NCVE-2021-30065
High (7.5). EPSS 0.9% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- belden:eagle_20_tofino_943_987-501-tx\/tx_firmware
- belden:eagle_20_tofino_943_987-502_-tx\/mm_firmware
- belden:eagle_20_tofino_943_987-504-mm\/tx_firmware
- belden:eagle_20_tofino_943_987-505-mm\/mm_firmware
- belden:tofino_argon_fa-tsa-100-tx\/tx_firmware
- belden:tofino_argon_fa-tsa-220-mm\/mm_firmware
- belden:tofino_argon_fa-tsa-220-mm\/tx_firmware
- belden:tofino_argon_fa-tsa-220-tx\/mm_firmware
- belden:tofino_argon_fa-tsa-220-tx\/tx_firmware
- belden:tofino_xenon_security_appliance_firmware
- schneider-electric:tcsefea23f3f20_firmware
- schneider-electric:tcsefea23f3f21_firmware
- schneider-electric:tcsefea23f3f22_firmware