VAR-202103-0210
Vulnerability from variot - Updated: 2024-11-23 19:30In SIMATIC MV400 family versions prior to v7.0.6, the ISN generator is initialized with a constant value and has constant increments. An attacker could predict and hijack TCP sessions. SIMATIC MV400 family Exists in unspecified vulnerabilities.Information may be tampered with. Siemens SIMATIC MV400 is an industrial equipment of Germany's Siemens (Siemens) company. Used for optical identification.
The Siemens SIMATIC MV400 series TCP protocol stack has security vulnerabilities
Show details on source website{
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/VARIoTentry#",
"affected_products": {
"@id": "https://www.variotdbs.pl/ref/affected_products"
},
"credits": {
"@id": "https://www.variotdbs.pl/ref/credits"
},
"cvss": {
"@id": "https://www.variotdbs.pl/ref/cvss/"
},
"description": {
"@id": "https://www.variotdbs.pl/ref/description/"
},
"exploit_availability": {
"@id": "https://www.variotdbs.pl/ref/exploit_availability/"
},
"external_ids": {
"@id": "https://www.variotdbs.pl/ref/external_ids/"
},
"iot": {
"@id": "https://www.variotdbs.pl/ref/iot/"
},
"iot_taxonomy": {
"@id": "https://www.variotdbs.pl/ref/iot_taxonomy/"
},
"patch": {
"@id": "https://www.variotdbs.pl/ref/patch/"
},
"problemtype_data": {
"@id": "https://www.variotdbs.pl/ref/problemtype_data/"
},
"references": {
"@id": "https://www.variotdbs.pl/ref/references/"
},
"sources": {
"@id": "https://www.variotdbs.pl/ref/sources/"
},
"sources_release_date": {
"@id": "https://www.variotdbs.pl/ref/sources_release_date/"
},
"sources_update_date": {
"@id": "https://www.variotdbs.pl/ref/sources_update_date/"
},
"threat_type": {
"@id": "https://www.variotdbs.pl/ref/threat_type/"
},
"title": {
"@id": "https://www.variotdbs.pl/ref/title/"
},
"type": {
"@id": "https://www.variotdbs.pl/ref/type/"
}
},
"@id": "https://www.variotdbs.pl/vuln/VAR-202103-0210",
"affected_products": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/affected_products#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
},
"@id": "https://www.variotdbs.pl/ref/sources"
}
},
"data": [
{
"model": "simatic mv420",
"scope": "lt",
"trust": 1.0,
"vendor": "siemens",
"version": "7.0.6"
},
{
"model": "simatic mv440",
"scope": "lt",
"trust": 1.0,
"vendor": "siemens",
"version": "7.0.6"
},
{
"model": "simatic ident mv440 family",
"scope": null,
"trust": 0.8,
"vendor": "\u30b7\u30fc\u30e1\u30f3\u30b9",
"version": null
},
{
"model": "simatic ident mv420 family",
"scope": null,
"trust": 0.8,
"vendor": "\u30b7\u30fc\u30e1\u30f3\u30b9",
"version": null
},
{
"model": "simatic mv400 family",
"scope": "lt",
"trust": 0.6,
"vendor": "siemens",
"version": "7.0.6"
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-16442"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-016226"
},
{
"db": "NVD",
"id": "CVE-2020-27632"
}
]
},
"credits": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/credits#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "and Amine Amri of Forescout Research Labs reported these vulnerabilities to CISA., Stanislav Dashevskyi,Daniel dos Santos, Jos Wetzels",
"sources": [
{
"db": "CNNVD",
"id": "CNNVD-202102-1076"
}
],
"trust": 0.6
},
"cve": "CVE-2020-27632",
"cvss": {
"@context": {
"cvssV2": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV2#"
},
"@id": "https://www.variotdbs.pl/ref/cvss/cvssV2"
},
"cvssV3": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV3#"
},
"@id": "https://www.variotdbs.pl/ref/cvss/cvssV3/"
},
"severity": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/cvss/severity#"
},
"@id": "https://www.variotdbs.pl/ref/cvss/severity"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
},
"@id": "https://www.variotdbs.pl/ref/sources"
}
},
"data": [
{
"cvssV2": [
{
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"author": "nvd@nist.gov",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"exploitabilityScore": 10.0,
"id": "CVE-2020-27632",
"impactScore": 2.9,
"integrityImpact": "PARTIAL",
"severity": "MEDIUM",
"trust": 1.8,
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
{
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"author": "CNVD",
"availabilityImpact": "NONE",
"baseScore": 7.8,
"confidentialityImpact": "NONE",
"exploitabilityScore": 10.0,
"id": "CNVD-2021-16442",
"impactScore": 6.9,
"integrityImpact": "COMPLETE",
"severity": "HIGH",
"trust": 0.6,
"vectorString": "AV:N/AC:L/Au:N/C:N/I:C/A:N",
"version": "2.0"
}
],
"cvssV3": [
{
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"author": "nvd@nist.gov",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"exploitabilityScore": 3.9,
"id": "CVE-2020-27632",
"impactScore": 3.6,
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"trust": 1.0,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
{
"attackComplexity": "Low",
"attackVector": "Network",
"author": "NVD",
"availabilityImpact": "None",
"baseScore": 7.5,
"baseSeverity": "High",
"confidentialityImpact": "None",
"exploitabilityScore": null,
"id": "CVE-2020-27632",
"impactScore": null,
"integrityImpact": "High",
"privilegesRequired": "None",
"scope": "Unchanged",
"trust": 0.8,
"userInteraction": "None",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.0"
}
],
"severity": [
{
"author": "nvd@nist.gov",
"id": "CVE-2020-27632",
"trust": 1.0,
"value": "HIGH"
},
{
"author": "NVD",
"id": "CVE-2020-27632",
"trust": 0.8,
"value": "High"
},
{
"author": "CNVD",
"id": "CNVD-2021-16442",
"trust": 0.6,
"value": "HIGH"
},
{
"author": "CNNVD",
"id": "CNNVD-202102-1076",
"trust": 0.6,
"value": "HIGH"
}
]
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-16442"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-016226"
},
{
"db": "CNNVD",
"id": "CNNVD-202102-1076"
},
{
"db": "NVD",
"id": "CVE-2020-27632"
}
]
},
"description": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/description#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "In SIMATIC MV400 family versions prior to v7.0.6, the ISN generator is initialized with a constant value and has constant increments. An attacker could predict and hijack TCP sessions. SIMATIC MV400 family Exists in unspecified vulnerabilities.Information may be tampered with. Siemens SIMATIC MV400 is an industrial equipment of Germany\u0027s Siemens (Siemens) company. Used for optical identification. \n\r\n\r\nThe Siemens SIMATIC MV400 series TCP protocol stack has security vulnerabilities",
"sources": [
{
"db": "NVD",
"id": "CVE-2020-27632"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-016226"
},
{
"db": "CNVD",
"id": "CNVD-2021-16442"
},
{
"db": "CNNVD",
"id": "CNNVD-202102-1076"
}
],
"trust": 2.7
},
"external_ids": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/external_ids#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"db": "NVD",
"id": "CVE-2020-27632",
"trust": 3.8
},
{
"db": "ICS CERT",
"id": "ICSA-21-042-01",
"trust": 2.4
},
{
"db": "SIEMENS",
"id": "SSA-599268",
"trust": 2.2
},
{
"db": "ICS CERT",
"id": "ICSA-21-068-07",
"trust": 1.4
},
{
"db": "JVN",
"id": "JVNVU93441670",
"trust": 0.8
},
{
"db": "JVN",
"id": "JVNVU90767599",
"trust": 0.8
},
{
"db": "JVNDB",
"id": "JVNDB-2020-016226",
"trust": 0.8
},
{
"db": "CNVD",
"id": "CNVD-2021-16442",
"trust": 0.6
},
{
"db": "AUSCERT",
"id": "ESB-2021.0852",
"trust": 0.6
},
{
"db": "AUSCERT",
"id": "ESB-2021.0538",
"trust": 0.6
},
{
"db": "CNNVD",
"id": "CNNVD-202102-1076",
"trust": 0.6
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-16442"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-016226"
},
{
"db": "CNNVD",
"id": "CNNVD-202102-1076"
},
{
"db": "NVD",
"id": "CVE-2020-27632"
}
]
},
"id": "VAR-202103-0210",
"iot": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/iot#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": true,
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-16442"
}
],
"trust": 1.3777778
},
"iot_taxonomy": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/iot_taxonomy#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"category": [
"ICS"
],
"sub_category": null,
"trust": 0.6
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-16442"
}
]
},
"last_update_date": "2024-11-23T19:30:40.753000Z",
"patch": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/patch#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"title": "SSA-599268",
"trust": 0.8,
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-599268.pdf"
},
{
"title": "Repair measures for security feature vulnerabilities of multiple products",
"trust": 0.6,
"url": "http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=142809"
}
],
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2020-016226"
},
{
"db": "CNNVD",
"id": "CNNVD-202102-1076"
}
]
},
"problemtype_data": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/problemtype_data#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"problemtype": "NVD-CWE-noinfo",
"trust": 1.0
},
{
"problemtype": "Lack of information (CWE-noinfo) [NVD evaluation ]",
"trust": 0.8
}
],
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2020-016226"
},
{
"db": "NVD",
"id": "CVE-2020-27632"
}
]
},
"references": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/references#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"trust": 2.2,
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-599268.pdf"
},
{
"trust": 1.4,
"url": "https://nvd.nist.gov/vuln/detail/cve-2020-27632"
},
{
"trust": 1.4,
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-042-01"
},
{
"trust": 1.0,
"url": "https://www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/"
},
{
"trust": 1.0,
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-042-01"
},
{
"trust": 0.8,
"url": "http://jvn.jp/vu/jvnvu90767599/index.html"
},
{
"trust": 0.8,
"url": "https://jvn.jp/vu/jvnvu93441670/index.html"
},
{
"trust": 0.8,
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-068-07"
},
{
"trust": 0.6,
"url": "https://vigilance.fr/vulnerability/siemens-simatic-mv400-two-vulnerabilities-via-tcp-stack-34783"
},
{
"trust": 0.6,
"url": "https://www.auscert.org.au/bulletins/esb-2021.0852"
},
{
"trust": 0.6,
"url": "https://www.auscert.org.au/bulletins/esb-2021.0538"
},
{
"trust": 0.6,
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-068-07"
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-16442"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-016226"
},
{
"db": "CNNVD",
"id": "CNNVD-202102-1076"
},
{
"db": "NVD",
"id": "CVE-2020-27632"
}
]
},
"sources": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#",
"data": {
"@container": "@list"
}
},
"data": [
{
"db": "CNVD",
"id": "CNVD-2021-16442"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-016226"
},
{
"db": "CNNVD",
"id": "CNNVD-202102-1076"
},
{
"db": "NVD",
"id": "CVE-2020-27632"
}
]
},
"sources_release_date": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
"data": {
"@container": "@list"
}
},
"data": [
{
"date": "2021-03-11T00:00:00",
"db": "CNVD",
"id": "CNVD-2021-16442"
},
{
"date": "2021-11-15T00:00:00",
"db": "JVNDB",
"id": "JVNDB-2020-016226"
},
{
"date": "2021-02-11T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202102-1076"
},
{
"date": "2021-03-10T18:15:12.797000",
"db": "NVD",
"id": "CVE-2020-27632"
}
]
},
"sources_update_date": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
"data": {
"@container": "@list"
}
},
"data": [
{
"date": "2021-03-23T00:00:00",
"db": "CNVD",
"id": "CNVD-2021-16442"
},
{
"date": "2024-09-12T07:19:00",
"db": "JVNDB",
"id": "JVNDB-2020-016226"
},
{
"date": "2021-11-12T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202102-1076"
},
{
"date": "2024-11-21T05:21:32.823000",
"db": "NVD",
"id": "CVE-2020-27632"
}
]
},
"threat_type": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/threat_type#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "remote",
"sources": [
{
"db": "CNNVD",
"id": "CNNVD-202102-1076"
}
],
"trust": 0.6
},
"title": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/title#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "SIMATIC\u00a0MV400\u00a0family\u00a0 Vulnerability in",
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2020-016226"
}
],
"trust": 0.8
},
"type": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/type#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "security feature problem",
"sources": [
{
"db": "CNNVD",
"id": "CNNVD-202102-1076"
}
],
"trust": 0.6
}
}
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.