fkie_cve-2021-34593
Vulnerability from fkie_nvd
Published
2021-10-26 10:15
Modified
2025-08-15 20:25
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| wago | 750-8202_firmware | * | |
| wago | 750-8202 | - | |
| wago | 750-8203_firmware | * | |
| wago | 750-8203 | - | |
| wago | 750-8204_firmware | * | |
| wago | 750-8204 | - | |
| wago | 750-8206_firmware | * | |
| wago | 750-8206 | - | |
| wago | 750-8207_firmware | * | |
| wago | 750-8207 | - | |
| wago | 750-8208_firmware | * | |
| wago | 750-8208 | - | |
| wago | 750-8210_firmware | * | |
| wago | 750-8210 | - | |
| wago | 750-8211_firmware | * | |
| wago | 750-8211 | - | |
| wago | 750-8212_firmware | * | |
| wago | 750-8212 | - | |
| wago | 750-8213_firmware | * | |
| wago | 750-8213 | - | |
| wago | 750-8214_firmware | * | |
| wago | 750-8214 | - | |
| wago | 750-8216_firmware | * | |
| wago | 750-8216 | - | |
| wago | 750-8217_firmware | * | |
| wago | 750-8217 | - | |
| codesys | plcwinnt | * | |
| codesys | runtime_toolkit | * |
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"lastModified": "2025-08-15T20:25:58.247",
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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