CVE-2021-25663
Published Apr 22, 2021
Last updated 9 months ago
Overview
- Description
- A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (All versions including affected IPv6 stack). The function that processes IPv6 headers does not check the lengths of extension header options, allowing attackers to put this function into an infinite loop with crafted length values.
- Source
- productcert@siemens.com
- NVD status
- Modified
Social media
- Hype score
- Not currently trending
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
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:siemens:capital_vstar:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EEBF34F7-F37A-4FD1-957E-B2E5DEE7A778"
},
{
"criteria": "cpe:2.3:a:siemens:nucleus_net:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7A987CFB-4A41-4F82-8C7F-31DE8F0650DE"
},
{
"criteria": "cpe:2.3:a:siemens:nucleus_readystart:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7A5FA7B8-2F94-4762-ADBF-71C0F37231AB",
"versionEndExcluding": "4.1.0"
},
{
"criteria": "cpe:2.3:a:siemens:nucleus_source_code:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "53A38C64-612A-4BC5-83D5-D3FA1C90E0F7"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:siemens:nucleus_readystart:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F768DEFE-CE6F-4210-B728-9C4CA2AF03FE",
"versionEndExcluding": "2017.02.4"
}
],
"operator": "OR"
}
]
}
]