CVE-2021-30066 — MEDIUM (6.8)

Q: How severe is CVE-2021-30066?

CVE-2021-30066 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-30066?

Check the references section above for vendor advisories and patch information. Affected products include: Belden Tofino Xenon Security Appliance Firmware, Belden Tofino Xenon Security Appliance, Belden Tofino Argon Fa-Tsa-220-Tx\/Mm Firmware, Belden Tofino Argon Fa-Tsa-220-Tx\/Mm, Belden Tofino Argon Fa-Tsa-220-Tx\/Tx Firmware.

Vulnerability Description

On Schneider Electric ConneXium Tofino Firewall TCSEFEA23F3F22 before 03.23, TCSEFEA23F3F20/21, and Belden Tofino Xenon Security Appliance, an arbitrary firmware image can be loaded because firmware signature verification (for a USB stick) can be bypassed. NOTE: this issue exists because of an incomplete fix of CVE-2017-11400.

CVSS Score

6.8

MEDIUM

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Belden	Tofino Xenon Security Appliance Firmware	< 03.2.03
Belden	Tofino Xenon Security Appliance	-
Belden	Tofino Argon Fa-Tsa-220-Tx\/Mm Firmware	-
Belden	Tofino Argon Fa-Tsa-220-Tx\/Mm	-
Belden	Tofino Argon Fa-Tsa-220-Tx\/Tx Firmware	-
Belden	Tofino Argon Fa-Tsa-220-Tx\/Tx	-
Belden	Tofino Argon Fa-Tsa-220-Mm\/Tx Firmware	-
Belden	Tofino Argon Fa-Tsa-220-Mm\/Tx	-
Belden	Tofino Argon Fa-Tsa-220-Mm\/Mm Firmware	-
Belden	Tofino Argon Fa-Tsa-220-Mm\/Mm	-
Belden	Tofino Argon Fa-Tsa-100-Tx\/Tx Firmware	-
Belden	Tofino Argon Fa-Tsa-100-Tx\/Tx	-
Belden	Eagle 20 Tofino 943 987-505-Mm\/Mm Firmware	-
Belden	Eagle 20 Tofino 943 987-505-Mm\/Mm	-
Belden	Eagle 20 Tofino 943 987-504-Mm\/Tx Firmware	-
Belden	Eagle 20 Tofino 943 987-504-Mm\/Tx	-
Belden	Eagle 20 Tofino 943 987-502 -Tx\/Mm Firmware	-
Belden	Eagle 20 Tofino 943 987-502 -Tx\/Mm	-
Belden	Eagle 20 Tofino 943 987-501-Tx\/Tx Firmware	-
Belden	Eagle 20 Tofino 943 987-501-Tx\/Tx	-

Related Weaknesses (CWE)

CWE-347

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-05Vendor Advisory
https://www.belden.com/support/security-assuranceVendor Advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-05Vendor Advisory
https://www.belden.com/support/security-assuranceVendor Advisory

FAQ

What is CVE-2021-30066?

CVE-2021-30066 is a vulnerability with a CVSS score of 6.8 (MEDIUM). On Schneider Electric ConneXium Tofino Firewall TCSEFEA23F3F22 before 03.23, TCSEFEA23F3F20/21, and Belden Tofino Xenon Security Appliance, an arbitrary firmware image can be loaded because firmware s...

How severe is CVE-2021-30066?

CVE-2021-30066 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-30066?

Check the references section above for vendor advisories and patch information. Affected products include: Belden Tofino Xenon Security Appliance Firmware, Belden Tofino Xenon Security Appliance, Belden Tofino Argon Fa-Tsa-220-Tx\/Mm Firmware, Belden Tofino Argon Fa-Tsa-220-Tx\/Mm, Belden Tofino Argon Fa-Tsa-220-Tx\/Tx Firmware.