CVE-2021-46559 — HIGH (7.5)

Q: What is CVE-2021-46559?

CVE-2021-46559 is a vulnerability with a CVSS score of 7.5 (HIGH). The firmware on Moxa TN-5900 devices through 3.1 has a weak algorithm that allows an attacker to defeat an inspection mechanism for integrity protection.

Q: How severe is CVE-2021-46559?

CVE-2021-46559 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-46559?

Check the references section above for vendor advisories and patch information. Affected products include: Moxa Tn-5900 Firmware, Moxa Tn-5900.

Vulnerability Description

The firmware on Moxa TN-5900 devices through 3.1 has a weak algorithm that allows an attacker to defeat an inspection mechanism for integrity protection.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Moxa	Tn-5900 Firmware	<= 3.1
Moxa	Tn-5900	-

Related Weaknesses (CWE)

CWE-345

References

https://www.moxa.com/en/support/product-support/security-advisory/tn-5900-secureVendor Advisory
https://www.moxa.com/en/support/product-support/security-advisory/tn-5900-secureVendor Advisory

FAQ

What is CVE-2021-46559?

CVE-2021-46559 is a vulnerability with a CVSS score of 7.5 (HIGH). The firmware on Moxa TN-5900 devices through 3.1 has a weak algorithm that allows an attacker to defeat an inspection mechanism for integrity protection.

How severe is CVE-2021-46559?

CVE-2021-46559 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-46559?

Check the references section above for vendor advisories and patch information. Affected products include: Moxa Tn-5900 Firmware, Moxa Tn-5900.