CVE-2020-11798Micollab Audio\, Web \& Video Conferencing Path Traversal
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.
Published Jun 10, 2020 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2020-11798 is a medium-severity vulnerability (CVSS 5.3 v3.1) affecting Micollab Audio\, Web \& Video Conferencing (Mitel).
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jun 10, 2020. Public exploit code is available.
- EPSS estimates a 49% probability of exploitation in the next 30 days.
- Fixed versions are available, including Micollab Audio\, Web \& Video Conferencing 8.1.2.4.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS (30-day exploit likelihood)
49%
Higher than 98.8% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
36/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Jun 10, 2020
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
10
Reports of active use
Advisories And Exploit References
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Jun 10, 2020 | n/a | Not reported |
| Industry KEV feed | Jun 10, 2020 | n/a | Not reported |
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Micollab Audio\, Web \& Video ConferencingMitel | See advisory | 8.1.2.4 |
Patched Releases
Micollab Audio\, Web \& Video Conferencing
8.1.2.4
Timeline
Publicly disclosed
Jun 10, 2020
Added to CIRCL KEV
Jun 10, 2020
Added to Industry KEV feed
Jun 10, 2020
Last updated
Nov 21, 2024
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
- advisorymitel.com · security-bulletin-20-0005-01.pdf
- advisorymitel.com · mitel-product-security-advisory-20-0005
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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.
Affected: Micollab Audio\, Web \& Video Conferencing (Mitel). The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jun 10, 2020.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Micollab Audio\, Web \& Video Conferencing 8.1.2.4.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2020-11798 On Your Attack Surface?
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