CVEvulnerability
CVE-2021-30186
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2021-05-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-787
Description
CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.
Affected configurations
• wago 750-893 firmware (< fw08)
• wago 750-891 firmware (< fw08)
• wago 750-890 firmware (< fw08)
• wago 750-889 firmware (< fw15)
• wago 750-885 firmware (< fw15)
• wago 750-882 firmware (< fw15)
• wago 750-881 firmware (< fw15)
• wago 750-880 firmware (< fw16)
• wago 750-862 firmware (< fw08)
• wago 750-852 firmware (< fw15)
• wago 750-832 firmware (< fw08)
• wago 750-831 firmware (< fw15)
• wago 750-829 firmware (< fw15)
• wago 750-8202 firmware (< 03.06.19 \(18\))
• wago 750-8203 firmware (< 03.06.19 \(18\))
• wago 750-8204 firmware (< 03.06.19 \(18\))
• wago 750-8206 firmware (< 03.06.19 \(18\))
• wago 750-8207 firmware (< 03.06.19 \(18\))
• wago 750-8208 firmware (< 03.06.19 \(18\))
• wago 750-8210 firmware (< 03.06.19 \(18\))
• wago 750-8211 firmware (< 03.06.19 \(18\))
• wago 750-8212 firmware (< 03.06.19 \(18\))
• wago 750-8213 firmware (< 03.06.19 \(18\))
• wago 750-8214 firmware (< 03.06.19 \(18\))
• wago 750-8216 firmware (< 03.06.19 \(18\))
• wago 750-8217 firmware (< 03.06.19 \(18\))
• codesys plcwinnt (< 2.4.7.55)
• codesys runtime toolkit (< 2.4.7.55)
• wago 750-823 firmware (< fw08)
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://customers.codesys.com/index.php Permissions Required, Vendor Advisory
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download= Vendor Advisory
- https://customers.codesys.com/index.php Permissions Required, Vendor Advisory
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download= Vendor Advisory