CVE-2021-25664
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 the Hop-by-Hop extension header in IPv6 packets and its options lacks any checks against the length field of the header, allowing attackers to put the function into an infinite loop by supplying arbitrary 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
Weaknesses
- productcert@siemens.com
- CWE-835
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": "FCA7385D-A947-4A5B-B0B8-6D6225466EDE"
},
{
"criteria": "cpe:2.3:a:siemens:nucleus_readystart_v3:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C2F36C9F-E4F4-4678-B82D-361F4818B66C",
"versionEndExcluding": "2017.02.4"
},
{
"criteria": "cpe:2.3:a:siemens:nucleus_readystart_v4:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B35FDE44-BE25-431D-B2EE-195ACC5A606C",
"versionEndExcluding": "4.1.0"
},
{
"criteria": "cpe:2.3:a:siemens:nucleus_source_code:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "53A38C64-612A-4BC5-83D5-D3FA1C90E0F7"
}
],
"operator": "OR"
}
]
}
]