How severe is CVE-2019-19370?

CVE-2019-19370 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-19370 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19370?

CVE-2019-19370 affects Mitel Micollab. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-19370?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-19370 published?

CVE-2019-19370 was published on 2020-03-02 and last updated on 2026-06-17.

CVE-2019-19370

CVE-2019-19370 is a medium-severity vulnerability in Mitel Micollab with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mitel Micollab
Published: 2020-03-02
Last modified: 2026-06-17

Description

A cross-site scripting (XSS) vulnerability in the web conferencing component of the Mitel MiCollab application before 9.0.15 for Android could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack due to insufficient validation in the file upload interface. A successful exploit could allow an attacker to execute arbitrary scripts.

Frequently asked questions

What is CVE-2019-19370?: A cross-site scripting (XSS) vulnerability in the web conferencing component of the Mitel MiCollab application before 9.0.15 for Android could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack due to insufficient validation in the file upload interface. A successful exploit could allow an attacker to execute arbitrary scripts.
How severe is CVE-2019-19370?: CVE-2019-19370 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-19370 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19370?: CVE-2019-19370 affects Mitel Micollab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19370?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-19370 published?: CVE-2019-19370 was published on 2020-03-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mitel:micollab:*:*:*:*:*:android:*:*

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