TI-2020-05692 Aliases CVE-2020-7052 GHSA-6627-xq79-x5q7

CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory…

LOW 33CWE-770Published 2020-01-24 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-770.

Summary

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.

Why it matters now

EPSS 0.02257 83rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 16

CPE	Versions	Role	Vendor
cpe:2.3:a:codesys:control_for_beaglebone::::::::	before 3.5.15.30	Vulnerable	CODESYS
cpe:2.3:a:codesys:control_for_empc-a\/imx6::::::::	before 3.5.15.30	Vulnerable	CODESYS
cpe:2.3:a:codesys:control_for_iot2000::::::::	before 3.5.15.30	Vulnerable	CODESYS
cpe:2.3:a:codesys:control_for_linux::::::::	before 3.5.15.30	Vulnerable	CODESYS
cpe:2.3:a:codesys:control_for_pfc100::::::::	before 3.5.15.30	Vulnerable	CODESYS
cpe:2.3:a:codesys:control_for_pfc200::::::::	before 3.5.15.30	Vulnerable	CODESYS
cpe:2.3:a:codesys:control_for_plcnext::::::::	before 3.5.15.30	Vulnerable	CODESYS
cpe:2.3:a:codesys:control_for_raspberry_pi::::::::	before 3.5.15.30	Vulnerable	CODESYS
cpe:2.3:a:codesys:control_rte::::::::	3.5.8.60 to before 3.5.15.30	Vulnerable	CODESYS
cpe:2.3:a:codesys:control_rte::::::beckhoff_cx::*	3.5.8.60 to before 3.5.15.30	Vulnerable	CODESYS

cpe:2.3:a:codesys:control_for_beaglebone:*:*:*:*:*:*:*:* Versions before 3.5.15.30 Vulnerable ·CODESYS
cpe:2.3:a:codesys:control_for_empc-a\/imx6:*:*:*:*:*:*:*:* Versions before 3.5.15.30 Vulnerable ·CODESYS
cpe:2.3:a:codesys:control_for_iot2000:*:*:*:*:*:*:*:* Versions before 3.5.15.30 Vulnerable ·CODESYS
cpe:2.3:a:codesys:control_for_linux:*:*:*:*:*:*:*:* Versions before 3.5.15.30 Vulnerable ·CODESYS
cpe:2.3:a:codesys:control_for_pfc100:*:*:*:*:*:*:*:* Versions before 3.5.15.30 Vulnerable ·CODESYS
cpe:2.3:a:codesys:control_for_pfc200:*:*:*:*:*:*:*:* Versions before 3.5.15.30 Vulnerable ·CODESYS
cpe:2.3:a:codesys:control_for_plcnext:*:*:*:*:*:*:*:* Versions before 3.5.15.30 Vulnerable ·CODESYS
cpe:2.3:a:codesys:control_for_raspberry_pi:*:*:*:*:*:*:*:* Versions before 3.5.15.30 Vulnerable ·CODESYS
cpe:2.3:a:codesys:control_rte:*:*:*:*:*:*:*:* Versions 3.5.8.60 to before 3.5.15.30 Vulnerable ·CODESYS
cpe:2.3:a:codesys:control_rte:*:*:*:*:*:beckhoff_cx:*:* Versions 3.5.8.60 to before 3.5.15.30 Vulnerable ·CODESYS

Show 6 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:a:codesys:control_runtime_system_toolkit::::::::	3.0 to before 3.5.15.30	Vulnerable	CODESYS
cpe:2.3:a:codesys:control_win::::::::	3.5.9.80 to before 3.5.15.30	Vulnerable	CODESYS
cpe:2.3:a:codesys:gateway::::::::	3.5.15.10 to before 3.5.15.30	Vulnerable	CODESYS
cpe:2.3:a:codesys:hmi::::::::	3.5.10.0 to before 3.5.15.30	Vulnerable	CODESYS
cpe:2.3:a:codesys:safety_sil2::::::::	3.0 to before 3.5.15.30	Vulnerable	CODESYS
cpe:2.3:a:codesys:simulation_runtime::::::::	3.5.9.40 to before 3.5.15.30	Vulnerable	CODESYS

cpe:2.3:a:codesys:control_runtime_system_toolkit:*:*:*:*:*:*:*:* Versions 3.0 to before 3.5.15.30 Vulnerable ·CODESYS
cpe:2.3:a:codesys:control_win:*:*:*:*:*:*:*:* Versions 3.5.9.80 to before 3.5.15.30 Vulnerable ·CODESYS
cpe:2.3:a:codesys:gateway:*:*:*:*:*:*:*:* Versions 3.5.15.10 to before 3.5.15.30 Vulnerable ·CODESYS
cpe:2.3:a:codesys:hmi:*:*:*:*:*:*:*:* Versions 3.5.10.0 to before 3.5.15.30 Vulnerable ·CODESYS
cpe:2.3:a:codesys:safety_sil2:*:*:*:*:*:*:*:* Versions 3.0 to before 3.5.15.30 Vulnerable ·CODESYS
cpe:2.3:a:codesys:simulation_runtime:*:*:*:*:*:*:*:* Versions 3.5.9.40 to before 3.5.15.30 Vulnerable ·CODESYS

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-7052
2026-10-03 Alias added: GHSA-6627-xq79-x5q7

References

Exploit 1

https://www.tenable.com/security/research/tra-2020-04

Advisory 1

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12977&token=33f948eed0c2fd69d238d9515779be337ef7592d&download=

TI-2019-10180 Stack-based buffer overflow in CODESYS V3 web server CVSS 3.1CRITICAL 9.8
TI-2020-08257 CODESYS V3 web server before 3.5.15.40, as used in CODESYS Control runtime systems, has a buffer overflow. CVSS 3.1CRITICAL 9.8
TI-2019-13592 CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow. CVSS 3.1CRITICAL 9.8
TI-2019-06495 An issue was discovered in 3S-Smart CODESYS V3 through 3.5.12.30. CVSS 3.1HIGH 8.8
TI-2018-15275 Codesys Runtime Improper Limitation of a Pathname CVSS 3.1HIGH 8.8
TI-2019-10164 Path traversal in CODESYS V3 web server CVSS 3.1HIGH 7.5

See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences