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Fencer Intel
medium 6.1

CVE-2020-27340 json

The online help portal of Mitel MiCollab before 9.2 could allow an attacker to redirect a user to an unauthorized website by executing mali…

published 5y ago modified 4mo ago also EUVD-2020-19853

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

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.

Patch / fix

  • mitel micollab 9.2

Is CVE-2020-27340 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:L
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:N/A:P

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.