How severe is CVE-2019-5165?

CVE-2019-5165 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-5165 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-5165?

CVE-2019-5165 affects Moxa Awk-3131a Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-5165?

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-2019-5165 published?

CVE-2019-5165 was published on 2020-02-25 and last updated on 2026-06-17.

CVE-2019-5165

CVE-2019-5165 is a high-severity vulnerability in Moxa Awk-3131a Firmware with a CVSS 3.x base score of 7.2. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Moxa Awk-3131a Firmware
Published: 2020-02-25
Last modified: 2026-06-17

Description

An exploitable authentication bypass vulnerability exists in the hostname processing of the Moxa AWK-3131A firmware version 1.13. A specially configured device hostname can cause the device to interpret select remote traffic as local traffic, resulting in a bypass of web authentication. An attacker can send authenticated SNMP requests to trigger this vulnerability.

Frequently asked questions

What is CVE-2019-5165?: An exploitable authentication bypass vulnerability exists in the hostname processing of the Moxa AWK-3131A firmware version 1.13. A specially configured device hostname can cause the device to interpret select remote traffic as local traffic, resulting in a bypass of web authentication. An attacker can send authenticated SNMP requests to trigger this vulnerability.
How severe is CVE-2019-5165?: CVE-2019-5165 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-5165 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-5165?: CVE-2019-5165 affects Moxa Awk-3131a Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-5165?: 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-2019-5165 published?: CVE-2019-5165 was published on 2020-02-25 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0960

Affected products (1)

cpe:2.3:o:moxa:awk-3131a_firmware:1.13:*:*:*:*:*:*:*

More vulnerabilities in Moxa Awk-3131a Firmware

CVE-2017-14459 — Critical (CVSS 10.0): An exploitable OS Command Injection vulnerability exists in the Telnet, SSH, and console login functionality of Moxa…
CVE-2016-8363 — Critical (CVSS 10.0): An issue was discovered in Moxa OnCell OnCellG3470A-LTE, AWK-1131A/3131A/4131A Series, AWK-3191 Series, AWK-5232/6232…
CVE-2019-5138 — Critical (CVSS 9.9): An exploitable command injection vulnerability exists in encrypted diagnostic script functionality of the Moxa…
CVE-2016-8717 — Critical (CVSS 9.8): An exploitable Use of Hard-coded Credentials vulnerability exists in the Moxa AWK-3131A Wireless Access Point running…
CVE-2016-8721 — Critical (CVSS 9.1): An exploitable OS Command Injection vulnerability exists in the web application 'ping' functionality of Moxa AWK-3131A…
CVE-2019-5162 — High (CVSS 8.8): An exploitable improper access control vulnerability exists in the iw_webs account settings functionality of the Moxa…

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →