What is CVE-2017-11400?

CVE-2017-11400 is a medium-severity vulnerability in Belden Tofino Xenon Security Appliance, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.8/10. Published 2017-11-20.

How severe is CVE-2017-11400?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Belden Tofino Xenon Security Appliance

CVE-2017-11400

An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. An incomplete firmware signature allows a local attacker to upgrade the equipment (kernel, file system) with unsigned, attacker-controlled, data. This occurs because the appliance_config file is signed but the .tar.sec file is unsigned.

EPSS: 0.003 (19.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Belden Tofino_xenon_security_appliance
Belden Tofino_xenon_security_appliance_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-11400?: CVE-2017-11400 is a medium-severity vulnerability in Belden Tofino Xenon Security Appliance, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.8/10. Published 2017-11-20.
How severe is CVE-2017-11400?: Medium severity. CVSS v3 base score is 6.8 out of 10.