How severe is CVE-2019-19371?

CVE-2019-19371 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-2019-19371 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-2019-19371?

CVE-2019-19371 affects Mitel Micollab Audio, Web & Video Conferencing. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-19371?

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

When was CVE-2019-19371 published?

CVE-2019-19371 was published on 2020-03-02 and last updated on 2026-06-17.

CVE-2019-19371

CVE-2019-19371 is a medium-severity vulnerability in Mitel Micollab Audio, Web & Video Conferencing 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 Audio, Web & Video Conferencing
Published: 2020-03-02
Last modified: 2026-06-17

Description

A cross-site scripting (XSS) vulnerability in the web conferencing component of Mitel MiCollab AWV before 8.1.2.2 could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack due to insufficient validation in the join meeting interface. A successful exploit could allow an attacker to execute arbitrary scripts.

Frequently asked questions

What is CVE-2019-19371?: A cross-site scripting (XSS) vulnerability in the web conferencing component of Mitel MiCollab AWV before 8.1.2.2 could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack due to insufficient validation in the join meeting interface. A successful exploit could allow an attacker to execute arbitrary scripts.
How severe is CVE-2019-19371?: CVE-2019-19371 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-2019-19371 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-2019-19371?: CVE-2019-19371 affects Mitel Micollab Audio, Web & Video Conferencing. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19371?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-19371 published?: CVE-2019-19371 was published on 2020-03-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mitel:micollab_audio\,_web_\&_video_conferencing:*:*:*:*:*:*:*:*

More vulnerabilities in Mitel Micollab Audio, Web & Video Conferencing

CVE-2019-19608 — Critical (CVSS 9.8): A SQL injection vulnerability in in the web conferencing component of Mitel MiCollab AWV before 8.1.2.2 could allow an…
CVE-2019-19607 — Critical (CVSS 9.8): A SQL injection vulnerability in the web conferencing component of Mitel MiCollab AWV before 8.1.2.2 could allow an…
CVE-2019-12165 — Critical (CVSS 9.8): MiCollab 7.3 PR2 (7.3.0.204) and earlier, 7.2 (7.2.2.13) and earlier, and 7.1 (7.1.0.57) and earlier and MiCollab AWV…
CVE-2020-11797 — High (CVSS 7.5): An Authentication Bypass vulnerability in the Published Area of the web conferencing component of Mitel MiCollab AWV…
CVE-2020-11798 — Medium (CVSS 5.3): A Directory Traversal vulnerability in the web conference component of Mitel MiCollab AWV before 8.1.2.4 and 9.x before…

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