An issue was discovered in 3S-Smart CODESYS V3 products.
An issue was discovered in 3S-Smart CODESYS V3 products. A crafted communication request may cause uncontrolled memory allocations in the affected CODESYS products and may result in a denial-of-service condition. All variants of the following CODESYS V3 products in all versions prior to v3.5.14.20 that contain the CmpGateway component are affected, regardless of the CPU type or operating system: CODESYS Control for BeagleBone, CODESYS Control for emPC-A/iMX6, CODESYS Control for IOT2000, CODESYS Control for Linux, CODESYS Control for PFC100, CODESYS Control for PFC200, CODESYS Control for Raspberry Pi, CODESYS Control V3 Runtime System Toolkit, CODESYS Gateway V3, CODESYS V3 Development System.
- Published
- Aug 15, 2019
- Updated
- Jun 16, 2026
- EPSS
- 1.8% · 77th percentile
- CWE
- CWE-770
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Report tools
Action score
31
Monitor
Low priority for now.
- CVSS
- 30 / 40 · 7.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 1.8%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| codesys | control for beaglebone sl | cpe:2.3:a:codesys:control_for_beaglebone_sl |
| codesys | control for empc-a\/imx6 sl | cpe:2.3:a:codesys:control_for_empc-a\/imx6_sl |
| codesys | control for iot2000 sl | cpe:2.3:a:codesys:control_for_iot2000_sl |
| codesys | control for linux sl | cpe:2.3:a:codesys:control_for_linux_sl |
| codesys | control for pfc100 sl | cpe:2.3:a:codesys:control_for_pfc100_sl |
| codesys | control for pfc200 sl | cpe:2.3:a:codesys:control_for_pfc200_sl |
| codesys | control for raspberry pi sl | cpe:2.3:a:codesys:control_for_raspberry_pi_sl |
| codesys | control runtime toolkit | cpe:2.3:a:codesys:control_runtime_toolkit |
| codesys | development system | cpe:2.3:a:codesys:development_system |
| codesys | gateway | cpe:2.3:a:codesys:gateway |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- codesys control for beaglebone sl3.0 and later · before 3.5.14.20
- codesys control for empc-a/imx6 sl3.0 and later · before 3.5.14.20
- codesys control for iot2000 sl3.0 and later · before 3.5.14.20
- codesys control for linux sl3.0 and later · before 3.5.14.20
- codesys control for pfc100 sl3.0 and later · before 3.5.14.20
- codesys control for pfc200 sl3.0 and later · before 3.5.14.20
- codesys control for raspberry pi sl3.0 and later · before 3.5.14.20
- codesys control runtime toolkit3.0 and later · before 3.5.14.20
- codesys development system3.0 and later · before 3.5.14.20
- codesys gateway3.0 and later · before 3.5.14.20
Same product
codesys: all recordsOther highest-scoring records for the same primary product.
- CVE-2019-9010An issue was discovered in 3S-Smart CODESYS V3 products.40Plan
- CVE-2018-10612In 3S-Smart Software Solutions GmbH CODESYS Control V3 products prior to version 3.5.14.0, user access management and communication encrypti39Monitor
- CVE-2022-47379CODESYS: Multiple products prone to out-of-bounds write36Monitor
- CVE-2023-6357OS Command Injection in multiple CODESYS products35Monitor
- CVE-2022-4046CODESYS: Improper memory restrictions fro CODESYS Control35Monitor
- CVE-2022-47390CODESYS: Multiple products prone to stack based out-of-bounds write35Monitor
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
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
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.
No dated events beyond publication.
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
- high · 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
- High
Weakness class (CWE)
CWE-770 · Allocation of Resources Without Limits or ThrottlingCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- FloodingCAPEC-125likelihood: High · Medium
- Excessive AllocationCAPEC-130likelihood: Medium · Medium
- XML Ping of the DeathCAPEC-147likelihood: Low · Medium
- Exponential Data ExpansionCAPEC-197likelihood: High · Medium
- Serialized Data Parameter BlowupCAPEC-229likelihood: High · High
- Serialized Data with Nested PayloadsCAPEC-230likelihood: Medium · High
- Oversized Serialized Data PayloadsCAPEC-231likelihood: Medium · High
- HTTP DoSCAPEC-469Low
ATT&CK techniques
- Network Denial of Service:Direct Network FloodT1498.001
- Network Denial of Service:Reflection AmplificationT1498.002
- Endpoint Denial of ServiceT1499
- Endpoint Denial of Service: OS Exhaustion FloodT1499.001
- Endpoint Denial of Service:Service Exhaustion FloodT1499.002
- Endpoint Denial of Service:Application Exhaustion FloodT1499.003
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
- customers.codesys.com/index.php?eID=dumpFile&t=f&f=12938&token=b9eb30f53246dc57b2e7cb302356a05547148fa2&download=
- www.us-cert.gov/ics/advisories/icsa-19-213-03
Vendor advisories and official records. Exploit/PoC links are deliberately left out.