9.6

CVE-2020-24594: mitel micloud_management_portal

Modified
Published 25-09-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-24594 is a critical (CVSS 9.6) vulnerability in mitel micloud_management_portal. EPSS estimates a 1.71% chance of exploitation in the next 30 days, higher than 77.4% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.6 (NVD); no exploitation reported by the 5 checked sources; EPSS 2% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.6/10
010
Critical · v3.1 (NVD)
EPSS score
1.71%
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. 25-09-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Mitel MiCloud Management Portal before 6.1 SP5 could allow an unauthenticated attacker to execute arbitrary scripts due to insufficient input validation, aka XSS. A successful exploit could allow an attacker to gain access to a user session.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.71%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.71% 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

Affected systems

Version check

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

Mitel1 product

1 vendor · 1 product

References

2 links