9.8

CVE-2021-26714: mitel micontact_center_enterprise

Modified
Published 29-03-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-26714 is a critical (CVSS 9.8) vulnerability in mitel micontact_center_enterprise. EPSS estimates a 2.52% chance of exploitation in the next 30 days, higher than 84.8% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
2.52%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 29-03-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.52%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.52% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Mitel1 product

1 vendor · 1 product

References

1 links