How severe is CVE-2018-11427?

CVE-2018-11427 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-11427 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11427?

CVE-2018-11427 primarily affects Moxa Oncell G3150-hspa Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-11427?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-11427 published?

CVE-2018-11427 was published on 2019-07-03 and last updated on 2026-06-17.

CVE-2018-11427

CVE-2018-11427 is a high-severity vulnerability in Moxa Oncell G3150-hspa Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Moxa Oncell G3150-hspa Firmware
Published: 2019-07-03
Last modified: 2026-06-17

Description

CSRF tokens are not used in the web application of Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior, which makes it possible to perform CSRF attacks on the device administrator.

Frequently asked questions

What is CVE-2018-11427?: CSRF tokens are not used in the web application of Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior, which makes it possible to perform CSRF attacks on the device administrator.
How severe is CVE-2018-11427?: CVE-2018-11427 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-11427 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11427?: CVE-2018-11427 primarily affects Moxa Oncell G3150-hspa Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-11427?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-11427 published?: CVE-2018-11427 was published on 2019-07-03 and last updated on 2026-06-17.

References

https://github.com/klsecservices/Advisories/blob/master/KL-MOXA-2018-106.md

Affected products (2)

cpe:2.3:o:moxa:oncell_g3150-hspa_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:moxa:oncell_g3150-hspa-t_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Moxa Oncell G3150-hspa Firmware

CVE-2018-11422 — Critical (CVSS 9.8): Moxa OnCell G3100-HSPA Series version 1.6 Build 17100315 and prior use a proprietary configuration protocol that does…
CVE-2018-11421 — Critical (CVSS 9.8): Moxa OnCell G3100-HSPA Series version 1.6 Build 17100315 and prior use a proprietary monitoring protocol that does not…
CVE-2018-11420 — Critical (CVSS 9.8): There is Memory corruption in the web interface of Moxa OnCell G3100-HSPA Series version 1.5 Build 17042015 and prio,r…
CVE-2018-11426 — Critical (CVSS 9.8): A weak Cookie parameter is used in the web application of Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and…
CVE-2018-5455 — Critical (CVSS 9.8): A Reliance on Cookies without Validation and Integrity Checking issue was discovered in Moxa OnCell G3100-HSPA Series…
CVE-2018-11423 — High (CVSS 7.5): There is Memory corruption in the web interface Moxa OnCell G3100-HSPA Series version 1.6 Build 17100315 and prior,…

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