9.8

CVE-2018-11426: moxa oncell_g3150-hspa_firmware Improper Authentication

CVSS: 9.8v3.0CriticalModified
Published 03-07-2019Last modified 05-08-2024

Vulnerability summary

CVE-2018-11426 is a critical (CVSS 9.8) Improper Authentication vulnerability in moxa oncell_g3150-hspa_firmware. EPSS estimates a 1.84% chance of exploitation in the next 30 days, higher than 78.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
1.84%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-07-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A weak Cookie parameter is used in the web application of Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior. An attacker can brute force parameters required to bypass authentication and access the web interface to use all its functions except for password change.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.84%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

0.00 pp

From 1.84% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.84%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

1 vendor · 2 products

References

1 links