TrueConf TrueConf Server
At a glance
- Source
- NVD
- EPSS
- EPSS 1.69 % · percentile 77 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Kaspersky
- NVD status
- Analyzed
Description
A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could use a specially crafted script to break out of the isolated environment and execute arbitrary code on the host system.
Weaknesses (CWE)
- CWE-94 — Improper Control of Generation of Code
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 4.0 | CRITICAL 9.5 | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H | Kaspersky |
| CVSS 3.1 | CRITICAL 9.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H | Kaspersky |
| CVSS 4.0 | CRITICAL 9.5 | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD · vulnerability@kaspersky.com (Secondary) |
| CVSS 3.1 | CRITICAL 9.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H | NVD · vulnerability@kaspersky.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-62588
- GCVE · GCVE-0-2026-72530
Affected configurations (NVD CPE)
cpe:2.3:a:trueconf:trueconf_server:*:*:*:*:*:windows:*:*< 5.3.9.10013cpe:2.3:a:trueconf:trueconf_server:*:*:*:*:*:linux_kernel:*:*< 5.3.9.10015cpe:2.3:a:trueconf:trueconf_server:*:*:*:*:*:windows:*:*≥ 5.4.0.12689 < 5.4.9.10072cpe:2.3:a:trueconf:trueconf_server:*:*:*:*:*:linux_kernel:*:*≥ 5.4.0.12700 < 5.4.9.10019cpe:2.3:a:trueconf:trueconf_server:*:*:*:*:*:windows:*:*≥ 5.5.0.13826 < 5.5.5.10010cpe:2.3:a:trueconf:trueconf_server:*:*:*:*:*:linux_kernel:*:*≥ 5.5.0.13828 < 5.5.5.10009
Affected products
| Product | Versions |
|---|---|
| TrueConf · TrueConf Server | affected * < 5.3 ; affected 5.3 < 5.3.9 ; affected 5.4 < 5.4.9 ; affected 5.5 < 5.5.5 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| CISA Known Exploited Vulnerabilities | CC0 1.0 |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |