Overview
- Description
- An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V7.3 Upd 13, and V8.2 all versions. The improper input validation vulnerability has been identified, which may allow an authenticated remote attacker who is a member of the administrators group to crash services by sending specially crafted messages to the DCOM interface.
- Source
- ics-cert@hq.dhs.gov
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 4.9
- Impact score
- 3.6
- Exploitability score
- 1.2
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 4
- Impact score
- 2.9
- Exploitability score
- 8
- Vector string
- AV:N/AC:L/Au:S/C:N/I:N/A:P
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
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"vulnerable": true,
"matchCriteriaId": "0D964D2E-63D5-4793-B772-E61CE0586B39"
},
{
"criteria": "cpe:2.3:a:siemens:simatic_wincc:7.3:update13:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CB472A4C-E0FA-42E7-96C2-1C9FD2B1A8B3"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
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"negate": false,
"cpeMatch": [
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"criteria": "cpe:2.3:a:siemens:simatic_pcs7:8.2:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A67CAAE5-FDF6-4F19-B7C8-73CAF5A6E303"
}
],
"operator": "OR"
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}
]