Vulnerability Monitor

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CVE-2016-8367

An issue was discovered in Schneider Electric Magelis HMI Magelis GTO Advanced Optimum Panels, all versions, Magelis GTU Universal Panel, all versions, Magelis STO5xx and STU Small panels, all versions, Magelis XBT GH Advanced Hand-held Panels, all versions, Magelis XBT GK Advanced Touchscreen Panels with Keyboard, all versions, Magelis XBT GT Advanced Touchscreen Panels, all versions, and Magelis XBT GTW Advanced Open Touchscreen Panels (Windows XPe). An attacker can open multiple connections to a targeted web server and keep connections open preventing new connections from being made, rendering the web server unavailable during an attack.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.3, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and limited availability for affected systems. Impacting 16 products from schneider-electric, from schneider-electric, from schneider-electric and 13 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2017, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2017-02-13T21:59:01.143

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-400

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	schneider-electric	magelis_gtu_universal_panel_firmware	-	Yes
Hardware	schneider-electric	magelis_gtu_universal_panel	-	No
Operating System	schneider-electric	magelis_gto_advanced_optimum_panel_firmware	-	Yes
Hardware	schneider-electric	magelis_gto_advanced_optimum_panel	-	No
Operating System	schneider-electric	magelis_sto5_small_panel_firmware	-	Yes
Hardware	schneider-electric	magelis_sto5_small_panel	-	No
Operating System	schneider-electric	magelis_stu_small_panel_firmware	-	Yes
Hardware	schneider-electric	magelis_stu_small_panel	-	No
Operating System	schneider-electric	magelis_xbt_gh_advanced_hand-held_panel_firmware	-	Yes
Hardware	schneider-electric	magelis_xbt_gh_advanced_hand-held_panel	-	No
Operating System	schneider-electric	magelis_xbt_gk_advanced_touchscreen_panel_with_keyboard_firmware	-	Yes
Hardware	schneider-electric	magelis_xbt_gk_advanced_touchscreen_panel_with_keyboard	-	No
Operating System	schneider-electric	magelis_xbt_gt_advanced_touchscreen_panel_firmware	-	Yes
Hardware	schneider-electric	magelis_xbt_gt_advanced_touchscreen_panel	-	No
Operating System	schneider-electric	magelis_xbt_gtw_advanced_open_touchscreen_panel_firmware	-	Yes
Hardware	schneider-electric	magelis_xbt_gtw_advanced_open_touchscreen_panel	-	No

References

http://www.securityfocus.com/bid/94093 Third Party Advisory, VDB Entry ([email protected])
https://ics-cert.us-cert.gov/advisories/ICSA-16-308-02 Third Party Advisory, US Government Resource ([email protected])
http://www.securityfocus.com/bid/94093 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://ics-cert.us-cert.gov/advisories/ICSA-16-308-02 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For schneider-electric's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.