How severe is CVE-2019-12328?

CVE-2019-12328 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-12328 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12328?

CVE-2019-12328 affects Atcom A10w Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-12328?

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-2019-12328 published?

CVE-2019-12328 was published on 2019-07-22 and last updated on 2026-06-17.

CVE-2019-12328

CVE-2019-12328 is a critical-severity vulnerability in Atcom A10w Firmware with a CVSS 3.x base score of 9.0. 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
CVSS v2: 9.0
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Atcom A10w Firmware
Published: 2019-07-22
Last modified: 2026-06-17

Description

A command injection (missing input validation) issue in the remote phonebook configuration URI in the web interface of the Atcom A10W VoIP phone with firmware 2.6.1a2421 allows an authenticated remote attacker in the same network to trigger OS commands via shell metacharacters in a POST request.

Frequently asked questions

What is CVE-2019-12328?: A command injection (missing input validation) issue in the remote phonebook configuration URI in the web interface of the Atcom A10W VoIP phone with firmware 2.6.1a2421 allows an authenticated remote attacker in the same network to trigger OS commands via shell metacharacters in a POST request.
How severe is CVE-2019-12328?: CVE-2019-12328 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-12328 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12328?: CVE-2019-12328 affects Atcom A10w Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-12328?: 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-2019-12328 published?: CVE-2019-12328 was published on 2019-07-22 and last updated on 2026-06-17.

References

https://www.sit.fraunhofer.de/fileadmin/dokumente/CVE/Advisory_Atcom_A10W.pdf

Affected products (1)

cpe:2.3:o:atcom:a10w_firmware:2.6.1a2421:*:*:*:*:*:*:*

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