How severe is CVE-2020-11798?

CVE-2020-11798 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-11798 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 49% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11798?

CVE-2020-11798 affects Mitel Micollab Audio, Web & Video Conferencing. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-11798?

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

When was CVE-2020-11798 published?

CVE-2020-11798 was published on 2020-06-10 and last updated on 2026-06-17.

CVE-2020-11798

CVE-2020-11798 is a medium-severity vulnerability in Mitel Micollab Audio, Web & Video Conferencing with a CVSS 3.x base score of 5.3. Its EPSS exploit-prediction score of 49% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 49% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Mitel Micollab Audio, Web & Video Conferencing
Published: 2020-06-10
Last modified: 2026-06-17

Description

A Directory Traversal vulnerability in the web conference component of Mitel MiCollab AWV before 8.1.2.4 and 9.x before 9.1.3 could allow an attacker to access arbitrary files from restricted directories of the server via a crafted URL, due to insufficient access validation. A successful exploit could allow an attacker to access sensitive information from the restricted directories.

Frequently asked questions

What is CVE-2020-11798?: A Directory Traversal vulnerability in the web conference component of Mitel MiCollab AWV before 8.1.2.4 and 9.x before 9.1.3 could allow an attacker to access arbitrary files from restricted directories of the server via a crafted URL, due to insufficient access validation. A successful exploit could allow an attacker to access sensitive information from the restricted directories.
How severe is CVE-2020-11798?: CVE-2020-11798 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-11798 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 49% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11798?: CVE-2020-11798 affects Mitel Micollab Audio, Web & Video Conferencing. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-11798?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-11798 published?: CVE-2020-11798 was published on 2020-06-10 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-2019-19371 — Medium (CVSS 6.1): A cross-site scripting (XSS) vulnerability in the web conferencing component of Mitel MiCollab AWV before 8.1.2.2 could…

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