CVE-2021-27432
Published May 20, 2021
Last updated 3 years ago
Overview
- Description
- OPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow.
- Source
- ics-cert@hq.dhs.gov
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 5
- Impact score
- 2.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
- ics-cert@hq.dhs.gov
- CWE-674
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:opcfoundation:ua-.net-legacy:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B04F956C-0D6B-453D-AA1B-4AB522B0C474"
},
{
"criteria": "cpe:2.3:a:opcfoundation:ua_.net_standard_stack:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2A02376A-04D5-48A2-9D3E-242FA6E3C00B",
"versionEndExcluding": "1.4.365.48"
}
],
"operator": "OR"
}
]
}
]