An issue was discovered in Schneider Electric Magelis HMI Magelis GTO Advanced Optimum Panels, all versions, Magelis GTU Universal Panel, al
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.
- Published
- Feb 13, 2017
- Updated
- Jun 16, 2026
- EPSS
- 4.3% · 91th percentile
- CWE
- CWE-400
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Report tools
Action score
22
Monitor
Low priority for now.
- CVSS
- 21 / 40 · 5.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 4.3%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| schneider-electric | magelis gtu universal panel firmware | cpe:2.3:o:schneider-electric:magelis_gtu_universal_panel_firmware |
| schneider-electric | magelis gtu universal panel | cpe:2.3:h:schneider-electric:magelis_gtu_universal_panel |
| schneider-electric | magelis gto advanced optimum panel firmware | cpe:2.3:o:schneider-electric:magelis_gto_advanced_optimum_panel_firmware |
| schneider-electric | magelis gto advanced optimum panel | cpe:2.3:h:schneider-electric:magelis_gto_advanced_optimum_panel |
| schneider-electric | magelis sto5 small panel firmware | cpe:2.3:o:schneider-electric:magelis_sto5_small_panel_firmware |
| schneider-electric | magelis sto5 small panel | cpe:2.3:h:schneider-electric:magelis_sto5_small_panel |
| schneider-electric | magelis stu small panel firmware | cpe:2.3:o:schneider-electric:magelis_stu_small_panel_firmware |
| schneider-electric | magelis stu small panel | cpe:2.3:h:schneider-electric:magelis_stu_small_panel |
| schneider-electric | magelis xbt gh advanced hand-held panel firmware | cpe:2.3:o:schneider-electric:magelis_xbt_gh_advanced_hand-held_panel_firmware |
| schneider-electric | magelis xbt gh advanced hand-held panel | cpe:2.3:h:schneider-electric:magelis_xbt_gh_advanced_hand-held_panel |
| schneider-electric | magelis xbt gk advanced touchscreen panel with keyboard firmware | cpe:2.3:o:schneider-electric:magelis_xbt_gk_advanced_touchscreen_panel_with_keyboard_firmware |
| schneider-electric | magelis xbt gk advanced touchscreen panel with keyboard | cpe:2.3:h:schneider-electric:magelis_xbt_gk_advanced_touchscreen_panel_with_keyboard |
and 4 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- schneider-electric magelis gto advanced optimum panel firmwareall versions
- schneider-electric magelis gtu universal panel firmwareall versions
- schneider-electric magelis sto5 small panel firmwareall versions
- schneider-electric magelis stu small panel firmwareall versions
- schneider-electric magelis xbt gh advanced hand-held panel firmwareall versions
- schneider-electric magelis xbt gk advanced touchscreen panel with keyboard firmwareall versions
- schneider-electric magelis xbt gt advanced touchscreen panel firmwareall versions
- schneider-electric magelis xbt gtw advanced open touchscreen panel firmwareall versions
Versions reported by the vendor
Affected version ranges reported by the assigning authority (icscert). Independent of NVD's CPE analysis and usually ahead of it.
n/a Schneider Electric Magelis HMI
- Schneider Electric Magelis HMIaffected
Same product
schneider-electric: all recordsOther highest-scoring records for the same primary product.
- CVE-2016-8374An issue was discovered in Schneider Electric Magelis HMI Magelis GTO Advanced Optimum Panels, all versions, Magelis GTU Universal Panel, al31Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Proof-of-concept repository on GitHub ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Proof-of-concept repository on GitHub | stars:2 | 2016-11-04 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- First PoC-102 d
- Published
- TodaySep 30, 2026+3516 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- low · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- Low
Weakness class (CWE)
CWE-400 · Uncontrolled Resource ConsumptionCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
nvd-primary
Root cause
Code that parses nested structures sets no depth or size limit. A small input can turn into a disproportionate processing load.
The bug in code
The whole CWE-400 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
function expand(node) { return node.children.map(expand);}Fixed
const MAX_DEPTH = 32;function expand(node, depth = 0) { if (depth > MAX_DEPTH) throw new Error("too deep"); return node.children.map((c) => expand(c, depth + 1));}Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.