CVE-2018-12901

Name: CVE-2018-12901
Creator: NVD / NIST
Published: 2018-10-23T21:30:52.707+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.12%

Last modified Jun 17, 2026

CVE-2018-12901 is a vulnerability of currently unknown severity. A vulnerability in the conferencing component of Mitel ST 14.2, versions GA29 (19.49.9400.0) and earlier, could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack due to insufficient validation for the signin.php page. A successful exploit could allow an attacker to execute arbitrary scripts.. EPSS estimates a 1.12% chance of exploitation in the next 30 days.

Description

A vulnerability in the conferencing component of Mitel ST 14.2, versions GA29 (19.49.9400.0) and earlier, could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack due to insufficient validation for the signin.php page. A successful exploit could allow an attacker to execute arbitrary scripts.

Metrics

EPSS Probability

1.12%

62.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Mitel	St Firmware	< 19.49.9400.0

References

Timeline

Published: Oct 23, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-12901?

How severe is CVE-2018-12901?

Severity scoring for CVE-2018-12901 is pending analysis. The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.

How do I fix CVE-2018-12901?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-12901?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST