CVE-2021-30065
HIGH
7.5
CVSS Score
Published: April 3, 2022 at 09:59 PM UTC
Updated: June 17, 2026 at 03:49 AM UTC
26 products affected across 2 vendorsTofino Xenon Security Appliance FirmwareTofino Argon Fa Tsa 100-tx /tx FirmwareTofino Argon Fa Tsa 220-tx /tx Firmware
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Severity
HIGH7.5
Exploit prediction
EPSS 0.9%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
All versions
belden-eagle-20-tofino-943-987-501-tx-tx (same device)
All versions
belden-eagle-20-tofino-943-987-502-tx-mm (same device)
All versions
belden-eagle-20-tofino-943-987-504-mm-tx (same device)
All versions
belden-eagle-20-tofino-943-987-505-mm-mm (same device)
All versions
belden-tofino-argon-fa-tsa-100-tx-tx (same device)
All versions
belden-tofino-argon-fa-tsa-220-mm-mm (same device)
All versions
belden-tofino-argon-fa-tsa-220-mm-tx (same device)
All versions
belden-tofino-argon-fa-tsa-220-tx-mm (same device)
All versions
belden-tofino-argon-fa-tsa-220-tx-tx (same device)
v < 03.2.03
Affected range stops below 03.2.03, so it looks safe — our inference, not a vendor statement
belden-tofino-xenon-security-appliance (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-05x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.belden.com/support/security-assuranceCVSS
7.5HIGHmitre
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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