Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
CVE-2021-30186 Details
Description
CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://customers.codesys.com/index.php | CVE | Permissions RequiredVendor Advisory |
| https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download= | CVE | Vendor Advisory |
| https://customers.codesys.com/index.php | [email protected] | Permissions RequiredVendor Advisory |
| https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download= | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| wago 750-893 firmware | < fw08 |
CPE
Remediation
| |
| wago 750-893 | All versions |
CPE
Remediation
| |
| wago 750-891 firmware | < fw08 |
CPE
Remediation
| |
| wago 750-891 | All versions |
CPE
Remediation
| |
| wago 750-890 firmware | < fw08 |
CPE
Remediation
| |
| wago 750-890 | All versions |
CPE
Remediation
| |
| wago 750-889 firmware | < fw15 |
CPE
Remediation
| |
| wago 750-889 | All versions |
CPE
Remediation
| |
| wago 750-885 firmware | < fw15 |
CPE
Remediation
| |
| wago 750-885 | All versions |
CPE
Remediation
| |
| wago 750-882 firmware | < fw15 |
CPE
Remediation
| |
| wago 750-882 | All versions |
CPE
Remediation
| |
| wago 750-881 firmware | < fw15 |
CPE
Remediation
| |
| wago 750-881 | All versions |
CPE
Remediation
| |
| wago 750-880 firmware | < fw16 |
CPE
Remediation
| |
| wago 750-880 | All versions |
CPE
Remediation
| |
| wago 750-862 firmware | < fw08 |
CPE
Remediation
| |
| wago 750-862 | All versions |
CPE
Remediation
| |
| wago 750-852 firmware | < fw15 |
CPE
Remediation
| |
| wago 750-852 | All versions |
CPE
Remediation
| |
| wago 750-832 firmware | < fw08 |
CPE
Remediation
| |
| wago 750-832 | All versions |
CPE
Remediation
| |
| wago 750-831 firmware | < fw15 |
CPE
Remediation
| |
| wago 750-831 | All versions |
CPE
Remediation
| |
| wago 750-829 firmware | < fw15 |
CPE
Remediation
| |
| wago 750-829 | All versions |
CPE
Remediation
| |
| wago 750-8202 firmware | < 03.06.19_\(18\) |
CPE
Remediation
| |
| wago 750-8202 | All versions |
CPE
Remediation
| |
| wago 750-8203 firmware | < 03.06.19_\(18\) |
CPE
Remediation
| |
| wago 750-8203 | All versions |
CPE
Remediation
| |
| wago 750-8204 firmware | < 03.06.19_\(18\) |
CPE
Remediation
| |
| wago 750-8204 | All versions |
CPE
Remediation
| |
| wago 750-8206 firmware | < 03.06.19_\(18\) |
CPE
Remediation
| |
| wago 750-8206 | All versions |
CPE
Remediation
| |
| wago 750-8207 firmware | < 03.06.19_\(18\) |
CPE
Remediation
| |
| wago 750-8207 | All versions |
CPE
Remediation
| |
| wago 750-8208 firmware | < 03.06.19_\(18\) |
CPE
Remediation
| |
| wago 750-8208 | All versions |
CPE
Remediation
| |
| wago 750-8210 firmware | < 03.06.19_\(18\) |
CPE
Remediation
| |
| wago 750-8210 | All versions |
CPE
Remediation
| |
| wago 750-8211 firmware | < 03.06.19_\(18\) |
CPE
Remediation
| |
| wago 750-8211 | All versions |
CPE
Remediation
| |
| wago 750-8212 firmware | < 03.06.19_\(18\) |
CPE
Remediation
| |
| wago 750-8212 | All versions |
CPE
Remediation
| |
| wago 750-8213 firmware | < 03.06.19_\(18\) |
CPE
Remediation
| |
| wago 750-8213 | All versions |
CPE
Remediation
| |
| wago 750-8214 firmware | < 03.06.19_\(18\) |
CPE
Remediation
| |
| wago 750-8214 | All versions |
CPE
Remediation
| |
| wago 750-8216 firmware | < 03.06.19_\(18\) |
CPE
Remediation
| |
| wago 750-8216 | All versions |
CPE
Remediation
| |
| wago 750-8217 firmware | < 03.06.19_\(18\) |
CPE
Remediation
| |
| wago 750-8217 | All versions |
CPE
Remediation
| |
| codesys plcwinnt | < 2.4.7.55 |
CPE
Remediation
| |
| codesys runtime toolkit | < 2.4.7.55 |
CPE
Remediation
| |
| wago 750-823 firmware | < fw08 |
CPE
Remediation
| |
| wago 750-823 | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Aug 15, 2025 | Modified Analysis | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| May 26, 2021 | Initial Analysis | [email protected] |