CVE-2018-5780: mitel connect_onsite Improper Control of Generation of Code
Vulnerability summary
CVE-2018-5780 is a high (CVSS 10.0) Improper Control of Generation of Code vulnerability in mitel connect_onsite. EPSS estimates a 1.73% chance of exploitation in the next 30 days, higher than 77.6% of scored vulnerabilities.
Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 2% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Timeline
- 14-03-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the conferencing component of Mitel Connect ONSITE, versions R1711-PREM and earlier, and Mitel ST 14.2, release GA28 and earlier, could allow an unauthenticated attacker to inject PHP code using specially crafted requests to the vnewmeeting.php page. Successful exploit could allow an attacker to execute arbitrary PHP code within the context of the application.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.73%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.73% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Mitel2 products
- connect_onsite≤ r1711-prem
- st14.2≤ ga28
1 vendor · 2 products