Overview
- Description
- An exploitable stack buffer overflow vulnerability exists in the command line utility getcouplerdetails of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets sent to the iocheckd service "I/O-Check" can cause a stack buffer overflow in the sub-process getcouplerdetails, resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.
- Source
- talos-cna@cisco.com
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 9.8
- Impact score
- 5.9
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- CRITICAL
CVSS 2.0
- Type
- Primary
- Base score
- 10
- Impact score
- 10
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
- nvd@nist.gov
- CWE-787
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:wago:pfc_200_firmware:03.00.39\\(12\\):*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E2381ABB-66E4-492C-8CB2-9FDFE3601A11"
},
{
"criteria": "cpe:2.3:o:wago:pfc_200_firmware:03.01.07\\(13\\):*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "01297381-B7D4-46FB-BFDD-2B5145C5E379"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:wago:pfc_200:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "1A20109A-6CF0-465F-8F97-136DDFB95B2B"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:wago:pfc_100_firmware:03.00.39\\(12\\):*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C1A0CD98-CC70-4FA2-BFB7-6BC765B05C9B"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:wago:pfc_100:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "CF8E59CE-6A72-49EA-AA44-8714C2411003"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
]