CVE-2017-6026
Published Jun 30, 2017
Last updated 3 years ago
Overview
- Description
- A Use of Insufficiently Random Values issue was discovered in Schneider Electric Modicon PLCs Modicon M241, firmware versions prior to Version 4.0.5.11, and Modicon M251, firmware versions prior to Version 4.0.5.11. The session numbers generated by the web application are lacking randomization and are shared between several users. This may allow a current session to be compromised.
- Source
- ics-cert@hq.dhs.gov
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 9.1
- Impact score
- 5.2
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Severity
- CRITICAL
CVSS 2.0
- Type
- Primary
- Base score
- 6.4
- Impact score
- 4.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:P/I:P/A:N
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "B8E03A25-B0B6-4BA2-80BC-52C16A6837E0"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6FDB0710-FB7F-4346-9EEC-4C75ECEA0A1E",
"versionEndIncluding": "4.0.3.20"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "4D8FD9D9-F59F-470E-9F7F-CDDD80B0633C"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9CA3FF3A-9145-4DAD-BAD6-D55C97E182AA",
"versionEndIncluding": "4.0.3.20"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
]