CVE-2021-26714

CVE-2021-26714 is a critical-severity vulnerability in Mitel Micontact Center Enterprise with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The Enterprise License Manager portal in Mitel MiContact Center Enterprise before 9.4 could allow a user to access restricted files and folders due to insufficient access control. A successful exploit could allow an attacker to view and modify application data via Directory Traversal.

Frequently asked questions

What is CVE-2021-26714?
The Enterprise License Manager portal in Mitel MiContact Center Enterprise before 9.4 could allow a user to access restricted files and folders due to insufficient access control. A successful exploit could allow an attacker to view and modify application data via Directory Traversal.
How severe is CVE-2021-26714?
CVE-2021-26714 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-26714 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26714?
CVE-2021-26714 affects Mitel Micontact Center Enterprise. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-26714?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-26714 published?
CVE-2021-26714 was published on 2021-03-29 and last updated on 2026-06-17.

References

Affected products (1)