01 Record
CVE-2021-30195
CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 7.55% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 94.4% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-05-25 12:33Z5 YR AGO
- Last updated
- 2024-08-03 22:24Z2 YR AGO
- Reserved
- 2021-04-07
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-125Out-of-bounds ReadBase
- Data version
- 5.1
- Document digest
- aa92318aeb6dfcf043bdc4fc2dc10d966d93af8181b89f09caf7e3c229a87f84
05 Affected products
VendorProductVersionsPlatforms
06 References
- customers.codesys.comhttps://customers.codesys.com/index.php
- customers.codesys.comhttps://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download=