How severe is CVE-2018-16219?

CVE-2018-16219 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-16219 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16219?

CVE-2018-16219 affects Audiocodes 405hd Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16219?

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-2018-16219 published?

CVE-2018-16219 was published on 2019-04-25 and last updated on 2026-06-17.

CVE-2018-16219

CVE-2018-16219 is a high-severity vulnerability in Audiocodes 405hd 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-287.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 3.3
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Audiocodes 405hd Firmware
Published: 2019-04-25
Last modified: 2026-06-17

Description

A missing password verification in the web interface in AudioCodes 405HD VoIP phone with firmware 2.2.12 allows an remote attacker (in the same network as the device) to change the admin password without authentication via a POST request.

Frequently asked questions

What is CVE-2018-16219?: A missing password verification in the web interface in AudioCodes 405HD VoIP phone with firmware 2.2.12 allows an remote attacker (in the same network as the device) to change the admin password without authentication via a POST request.
How severe is CVE-2018-16219?: CVE-2018-16219 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-16219 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16219?: CVE-2018-16219 affects Audiocodes 405hd Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16219?: 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-2018-16219 published?: CVE-2018-16219 was published on 2019-04-25 and last updated on 2026-06-17.

References

https://www.sit.fraunhofer.de/fileadmin/dokumente/CVE/Advisory_AudioCodes_405HD.pdf

Affected products (1)

cpe:2.3:o:audiocodes:405hd_firmware:2.2.12:*:*:*:*:*:*:*

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CVE-2018-16220 — Medium (CVSS 6.1): Cross Site Scripting in different input fields (domain field and personal settings) in AudioCodes 405HD VoIP phone with…

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Other CWE-287 (Improper Authentication) vulnerabilities

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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…

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