8.1
CVE-2021-34595
- EPSS 0.47%
- Published 26.10.2021 10:15:08
- Last modified 15.08.2025 20:25:40
- Source info@cert.vde.com
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A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition or local memory overwrite.
Data is provided by the National Vulnerability Database (NVD)
Wago ≫ 750-823 Firmware Version < fw10
Wago ≫ 750-829 Firmware Version < fw17
Wago ≫ 750-831 Firmware Version < fw17
Wago ≫ 750-832 Firmware Version < fw10
Wago ≫ 750-852 Firmware Version < fw17
Wago ≫ 750-862 Firmware Version < fw10
Wago ≫ 750-880 Firmware Version < fw17
Wago ≫ 750-881 Firmware Version < fw17
Wago ≫ 750-882 Firmware Version < fw17
Wago ≫ 750-885 Firmware Version < fw17
Wago ≫ 750-889 Firmware Version < fw17
Wago ≫ 750-890 Firmware Version < fw10
Wago ≫ 750-891 Firmware Version < fw10
Wago ≫ 750-893 Firmware Version < fw10
Wago ≫ 750-8202 Firmware Version < fw20
Wago ≫ 750-8203 Firmware Version < fw20
Wago ≫ 750-8204 Firmware Version < fw20
Wago ≫ 750-8206 Firmware Version < fw20
Wago ≫ 750-8207 Firmware Version < fw20
Wago ≫ 750-8208 Firmware Version < fw20
Wago ≫ 750-8210 Firmware Version < fw20
Wago ≫ 750-8211 Firmware Version < fw20
Wago ≫ 750-8212 Firmware Version < fw20
Wago ≫ 750-8213 Firmware Version < fw20
Wago ≫ 750-8214 Firmware Version < fw20
Wago ≫ 750-8216 Firmware Version < fw20
Wago ≫ 750-8217 Firmware Version < fw20
Codesys ≫ Runtime Toolkit HwPlatformx86 Version < 2.4.7.56
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.47% | 0.634 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 8.1 | 2.8 | 5.2 |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
|
| nvd@nist.gov | 5.5 | 8 | 4.9 |
AV:N/AC:L/Au:S/C:N/I:P/A:P
|
| info@cert.vde.com | 8.1 | 2.8 | 5.2 |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
|
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
CWE-823 Use of Out-of-range Pointer Offset
The product performs pointer arithmetic on a valid pointer, but it uses an offset that can point outside of the intended range of valid memory locations for the resulting pointer.