How severe is CVE-2019-9096?

CVE-2019-9096 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-9096 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9096?

CVE-2019-9096 primarily affects Moxa Mb3170 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-9096?

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

When was CVE-2019-9096 published?

CVE-2019-9096 was published on 2020-03-11 and last updated on 2026-06-17.

CVE-2019-9096

CVE-2019-9096 is a critical-severity vulnerability in Moxa Mb3170 Firmware with a CVSS 3.x base score of 9.8. 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-521.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-521
Affected product: Moxa Mb3170 Firmware
Published: 2020-03-11
Last modified: 2026-06-17

Description

An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB3660 devices before 2.3, and MB3180 devices before 2.1. Insufficient password requirements for the MGate web application may allow an attacker to gain access by brute-forcing account passwords.

Frequently asked questions

What is CVE-2019-9096?: An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB3660 devices before 2.3, and MB3180 devices before 2.1. Insufficient password requirements for the MGate web application may allow an attacker to gain access by brute-forcing account passwords.
How severe is CVE-2019-9096?: CVE-2019-9096 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-9096 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9096?: CVE-2019-9096 primarily affects Moxa Mb3170 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-9096?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-9096 published?: CVE-2019-9096 was published on 2020-03-11 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:moxa:mb3170_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:moxa:mb3270_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:moxa:mb3180_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:moxa:mb3280_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:moxa:mb3480_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:moxa:mb3660_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Moxa Mb3170 Firmware

CVE-2019-9099 — Critical (CVSS 9.8): An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1,…
CVE-2019-9095 — Critical (CVSS 9.8): An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1,…
CVE-2019-9102 — High (CVSS 8.8): An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1,…
CVE-2019-9104 — High (CVSS 7.5): An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1,…
CVE-2019-9101 — High (CVSS 7.5): An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1,…
CVE-2019-9098 — High (CVSS 7.5): An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1,…

All CVEs affecting Moxa Mb3170 Firmware →

Other CWE-521 (Weak Password Requirements) vulnerabilities

CVE-2026-25715 — Critical (CVSS 9.8): The web management interface of the device allows the administrator username and password to be set to blank values.…
CVE-2025-53963 — Critical (CVSS 9.8): An issue was discovered on Thermo Fisher Ion Torrent OneTouch 2 INS1005527 devices. They run an SSH server accessible…
CVE-2025-63747 — Critical (CVSS 9.8): QaTraq 6.9.2 ships with administrative account credentials which are enabled in default installations and permit…
CVE-2025-12552 — Critical (CVSS 9.8): Insufficient Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
CVE-2025-11200 — Critical (CVSS 9.8): MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to…
CVE-2025-12364 — Critical (CVSS 9.8): Weak Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.

Browse all CWE-521 (Weak Password Requirements) vulnerabilities →