VulnerabilityAnalyzed
CVE-2021-34595
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.
HIGH 8.1EPSS 0.88%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.88%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 0.88% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-823, CWE-119
- Affected
- wago/750-823 firmware · wago/750-829 firmware · wago/750-831 firmware · wago/750-832 firmware · wago/750-852 firmware · wago/750-862 firmware · wago/750-880 firmware · wago/750-881 firmware · wago/750-882 firmware · wago/750-885 firmware · wago/750-889 firmware · wago/750-890 firmware · wago/750-891 firmware · wago/750-893 firmware · wago/750-8202 firmware · wago/750-8203 firmware · wago/750-8204 firmware · wago/750-8206 firmware · wago/750-8207 firmware · wago/750-8208 firmware · +10 more
- Source
- info@cert.vde.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.