Overview
- Description
- In multiple CODESYS products, a remote attacker may craft a request which may cause an unexpected sign extension, resulting in a denial-of-service condition or memory overwrite.
- Source
- info@cert.vde.com
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 8.8
- Impact score
- 5.9
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 6.5
- Impact score
- 6.4
- Exploitability score
- 8
- Vector string
- AV:N/AC:L/Au:S/C:P/I:P/A:P
Weaknesses
- info@cert.vde.com
- CWE-194
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:codesys:plcwinnt:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2B26FF87-3FCD-496E-97C5-A1E4F6AACCB1",
"versionEndExcluding": "2.4.7.57",
"versionStartIncluding": "2.0"
},
{
"criteria": "cpe:2.3:a:codesys:runtime_toolkit:*:*:*:*:*:*:x86:*",
"vulnerable": true,
"matchCriteriaId": "CF74E74E-4EF8-4C84-A9A1-612AB7FC88BA",
"versionEndExcluding": "2.4.7.57",
"versionStartIncluding": "2.0"
}
],
"operator": "OR"
}
]
}
]