CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory allocation which can result in a remote denial of service condition.
Conclusion & alert: CVE-2020-7052 is rated High Exploit Risk (64.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.59%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-18 | 0.76% | 0.59% | -0.16% |
| 2 | 2025-07-19 | 0.99% | 0.76% | -0.24% |
| 3 | 2025-03-30 | — | 0.99% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| codesys | control_for_beaglebone | < 3.5.15.30 | cpe:2.3:a:codesys:control_for_beaglebone:*:*:*:*:*:*:*:* |
| codesys | control_for_empc-a\/imx6 | < 3.5.15.30 | cpe:2.3:a:codesys:control_for_empc-a\/imx6:*:*:*:*:*:*:*:* |
| codesys | control_for_iot2000 | < 3.5.15.30 | cpe:2.3:a:codesys:control_for_iot2000:*:*:*:*:*:*:*:* |
| codesys | control_for_linux | < 3.5.15.30 | cpe:2.3:a:codesys:control_for_linux:*:*:*:*:*:*:*:* |
| codesys | control_for_pfc100 | < 3.5.15.30 | cpe:2.3:a:codesys:control_for_pfc100:*:*:*:*:*:*:*:* |
| codesys | control_for_pfc200 | < 3.5.15.30 | cpe:2.3:a:codesys:control_for_pfc200:*:*:*:*:*:*:*:* |
| codesys | control_for_plcnext | < 3.5.15.30 | cpe:2.3:a:codesys:control_for_plcnext:*:*:*:*:*:*:*:* |
| codesys | control_for_raspberry_pi | < 3.5.15.30 | cpe:2.3:a:codesys:control_for_raspberry_pi:*:*:*:*:*:*:*:* |
| codesys | control_rte | >= 3.5.8.60, < 3.5.15.30 | cpe:2.3:a:codesys:control_rte:*:*:*:*:*:*:*:* |
| codesys | control_rte | >= 3.5.8.60, < 3.5.15.30 | cpe:2.3:a:codesys:control_rte:*:*:*:*:*:beckhoff_cx:*:* |
| codesys | control_runtime_system_toolkit | >= 3.0, < 3.5.15.30 | cpe:2.3:a:codesys:control_runtime_system_toolkit:*:*:*:*:*:*:*:* |
| codesys | control_win | >= 3.5.9.80, < 3.5.15.30 | cpe:2.3:a:codesys:control_win:*:*:*:*:*:*:*:* |
| codesys | gateway | >= 3.5.15.10, < 3.5.15.30 | cpe:2.3:a:codesys:gateway:*:*:*:*:*:*:*:* |
| codesys | hmi | >= 3.5.10.0, < 3.5.15.30 | cpe:2.3:a:codesys:hmi:*:*:*:*:*:*:*:* |
| codesys | safety_sil2 | >= 3.0, < 3.5.15.30 | cpe:2.3:a:codesys:safety_sil2:*:*:*:*:*:*:*:* |
| codesys | simulation_runtime | >= 3.5.9.40, < 3.5.15.30 | cpe:2.3:a:codesys:simulation_runtime:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12977&token=33f948eed0c2fd69d238d9515779be337ef7592d&download= | Vendor Advisory |
| https://www.tenable.com/security/research/tra-2020-04 | Exploit Third Party Advisory |