6.1

CVE-2019-9591: mitel connect_onsite

Modified
Published 06-03-2019Last modified 04-08-2024

Vulnerability summary

CVE-2019-9591 is a medium (CVSS 6.1) vulnerability in mitel connect_onsite. EPSS estimates a 5.33% chance of exploitation in the next 30 days, higher than 92.6% of scored vulnerabilities. 3 public exploits are recorded.

Priority
Routine

Not severe (CVSS 6.1, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
5.33%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits3github, reference, exploit-database

Timeline

  1. 06-03-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A reflected Cross-site scripting (XSS) vulnerability in ShoreTel Connect ONSITE before 19.49.1500.0 allows remote attackers to inject arbitrary web script or HTML via the brandUrl parameter.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

5.33%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

No change 0.00 pp

From 5.33% 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

3 found
  • githubUnverified

    Vulnerabilities

    Maturity: poc

  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • exploit-databasephpUnverified

    ShoreTel Connect ONSITE < 19.49.1500.0 - Multiple Vulnerabilities

    Maturity: poc

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

3 links