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CRITICAL · 9.8

CVE-2018-5455

A Reliance on Cookies without Validation and Integrity Checking issue was discovered in Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior. The application allows a cookie parameter to...

Vulnerability Description

A Reliance on Cookies without Validation and Integrity Checking issue was discovered in Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior. The application allows a cookie parameter to consist of only digits, allowing an attacker to perform a brute force attack bypassing authentication and gaining access to device functions.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MoxaOncell G3110-Hspa Firmware<= 1.4
MoxaOncell G3110-Hspa-
MoxaOncell G3110-Hspa-T Firmware<= 1.4
MoxaOncell G3110-Hspa-T-
MoxaOncell G3150-Hspa Firmware<= 1.4
MoxaOncell G3150-Hspa-
MoxaOncell G3150-Hspa-T Firmware<= 1.4
MoxaOncell G3150-Hspa-T-

Related Weaknesses (CWE)

CWE-287CWE-565

References

FAQ

What is CVE-2018-5455?

CVE-2018-5455 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A Reliance on Cookies without Validation and Integrity Checking issue was discovered in Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior. The application allows a cookie parameter to...

How severe is CVE-2018-5455?

CVE-2018-5455 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-5455?

Check the references section above for vendor advisories and patch information. Affected products include: Moxa Oncell G3110-Hspa Firmware, Moxa Oncell G3110-Hspa, Moxa Oncell G3110-Hspa-T Firmware, Moxa Oncell G3110-Hspa-T, Moxa Oncell G3150-Hspa Firmware.