CVE-2020-27340
The online help portal of Mitel MiCollab before 9.2 could allow an attacker to redirect a user to...
The online help portal of Mitel MiCollab before 9.2 could allow an attacker to redirect a user to an unauthorized website by executing malicious script due to insufficient access control.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
NVD Score used
The online help portal of Mitel MiCollab before 9.2 could allow an attacker to redirect a user to an unauthorized website by executing malicious script due to insufficient access control.
- Record
CVE-2020-27340- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:L - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:P - Updated
- 2026-11-02
CVE List No score
The online help portal of Mitel MiCollab before 9.2 could allow an attacker to redirect a user to an unauthorized website by executing malicious script due to insufficient access control.
- Record
CVE-2020-27340- Updated
- 2026-11-02
EUVDEUVD-2020-19853 No score
The online help portal of Mitel MiCollab before 9.2 could allow an attacker to redirect a user to an unauthorized website by executing malicious script due to insufficient access control.
- Record
EUVD-2020-19853- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hmm3-wj4g-8w8g No score
The online help portal of Mitel MiCollab before 9.2 could allow an attacker to redirect a user to...
The online help portal of Mitel MiCollab before 9.2 could allow an attacker to redirect a user to an unauthorized website by executing malicious script due to insufficient access control.
- Record
GHSA-hmm3-wj4g-8w8g- Weakness
- CWE-601
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-27340 is a medium vulnerability (CVSS 6.1) in Mitel Micollab, published December 18, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.82%, the 57th percentile. No source names a fixed version.