CODESYS: Improper memory restrictions fro CODESYS Control
In CODESYS Control in multiple versions a improper restriction of operations within the bounds of a memory buffer allow an remote attacker with user privileges to gain full access of the device.
- Published
- Aug 3, 2023
- Updated
- Jun 17, 2026
- EPSS
- 0.9% · 58th percentile
- CWE
- CWE-119
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Report tools
Action score
35
Monitor
Low priority for now.
- CVSS
- 35 / 40 · 8.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.9%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · CERTVDE
- 8.8
- NVD has not scored this yet; the score shown is the CNA’s.
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; 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 helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| codesys | hmi sl | cpe:2.3:a:codesys:hmi_sl |
| 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 plcnext sl | cpe:2.3:a:codesys:control_for_plcnext_sl |
| codesys | control for raspberry pi sl | cpe:2.3:a:codesys:control_for_raspberry_pi_sl |
| codesys | control for wago touch panels 600 sl | cpe:2.3:a:codesys:control_for_wago_touch_panels_600_sl |
| codesys | control rte sl | cpe:2.3:a:codesys:control_rte_sl |
| codesys | control rte sl \(for beckhoff cx\) | cpe:2.3:a:codesys:control_rte_sl_\(for_beckhoff_cx\) |
and 2 more
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 slall versions
- codesys control for empc-a/imx6 slall versions
- codesys control for iot2000 slall versions
- codesys control for linux slall versions
- codesys control for pfc100 slall versions
- codesys control for pfc200 slall versions
- codesys control for plcnext slall versions
- codesys control for raspberry pi slall versions
- codesys control for wago touch panels 600 slall versions
- codesys control rte slall versions
- codesys control rte sl (for beckhoff cx)all versions
- codesys control runtime system toolkitall versions
- codesys control win slall versions
- codesys hmi slall versions
Versions reported by the vendor
Affected version ranges reported by the assigning authority (CERTVDE). Independent of NVD's CPE analysis and usually ahead of it.
CODESYS CODESYS Control for BeagleBone SL
- allaffected
CODESYS CODESYS Control for emPC-A/iMX6 SL
- allaffected
CODESYS CODESYS Control for IOT2000 SL
- allaffected
CODESYS CODESYS Control for Linux SL
- allaffected
CODESYS CODESYS Control for PFC100 SL
- allaffected
CODESYS CODESYS Control for PFC200 SL
- allaffected
CODESYS CODESYS Control for PLCnext SL
- allaffected
CODESYS CODESYS Control for Raspberry Pi SL
- allaffected
CODESYS CODESYS Control for WAGO Touch Panels 600 SL
- allaffected
CODESYS CODESYS Control RTE (for Beckhoff CX) SL
- allaffected
CODESYS CODESYS Control RTE (SL)
- allaffected
CODESYS CODESYS Control Runtime System Toolkit
- allaffected
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-2022-47390CODESYS: Multiple products prone to stack based out-of-bounds write35Monitor
- CVE-2022-47389CODESYS: 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.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd-secondary
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)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Overflow BuffersCAPEC-100likelihood: High · Very High
- Buffer ManipulationCAPEC-123likelihood: High · Very High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
- Filter Failure through Buffer OverflowCAPEC-24likelihood: High · High
- MIME ConversionCAPEC-42likelihood: High · High
- Overflow Binary Resource FileCAPEC-44likelihood: High · Very High
- Buffer Overflow via Symbolic LinksCAPEC-45likelihood: High · High
ATT&CK techniques
—
Change 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.