A Reliance on Cookies without Validation and Integrity Checking issue was discovered in Moxa OnCell G3100-HSPA Series version 1.4 Build 160…

Published 8 y ago 2018-03-05 · modified 4 mo ago 2026-06-17 · JSON

CVSS

9.8

v3.0 · NVD

CISA KEV

not known exploited

EPSS

1.6%

percentile 75%

Public exploits

none known

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.

Exploit prediction (EPSS)

1.56% probability of exploitation in the next 30 days, higher than 75% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	9.8	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`
NVD	2.0	7.5	`AV:N/AC:L/Au:N/C:P/I:P/A:P`

Affected products

n/a Moxa OnCell G3100-HSPA Series

Classification

Weakness

CWE-565 Reliance on Cookies without Validation and Integrity Checking
CWE-287 Improper Authentication

References

ics-cert.us-cert.gov /advisories/ICSA-18-060-02 · x_refsource_MISC, x_transferred

Sources

CVE List: CVE-2018-5455
NVD: CVE-2018-5455

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