VAR-202110-0901
Vulnerability from variot - Updated: 2023-12-18 13:55An out-of-bounds read in the SNMP stack in Contiki-NG 4.4 and earlier allows an attacker to cause a denial of service and potentially disclose information via crafted SNMP packets to snmp_ber_decode_string_len_buffer in os/net/app-layer/snmp/snmp-ber.c. Contiki-NG Exists in an out-of-bounds read vulnerability.Information is obtained and service operation is interrupted (DoS) It may be in a state. Contiki is an open source cross-platform operating system for IoT (Internet of Things) devices. There is a security vulnerability in the SNMP stack in Contiki NG 4.4 and earlier versions, which originated from
Show details on source website{
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/VARIoTentry#",
"affected_products": {
"@id": "https://www.variotdbs.pl/ref/affected_products"
},
"configurations": {
"@id": "https://www.variotdbs.pl/ref/configurations"
},
"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-202110-0901",
"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": "contiki-ng",
"scope": "lte",
"trust": 1.0,
"vendor": "contiki ng",
"version": "4.4"
},
{
"model": "contiki-ng",
"scope": "eq",
"trust": 0.8,
"vendor": "contiki ng",
"version": "4.4 before that"
},
{
"model": "contiki-ng",
"scope": "eq",
"trust": 0.8,
"vendor": "contiki ng",
"version": null
}
],
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2020-017369"
},
{
"db": "NVD",
"id": "CVE-2020-12141"
}
]
},
"configurations": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/configurations#",
"children": {
"@container": "@list"
},
"cpe_match": {
"@container": "@list"
},
"data": {
"@container": "@list"
},
"nodes": {
"@container": "@list"
}
},
"data": [
{
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.4",
"vulnerable": true
}
],
"operator": "OR"
}
]
}
],
"sources": [
{
"db": "NVD",
"id": "CVE-2020-12141"
}
]
},
"cve": "CVE-2020-12141",
"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": [
{
"acInsufInfo": false,
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"author": "NVD",
"availabilityImpact": "PARTIAL",
"baseScore": 6.4,
"confidentialityImpact": "PARTIAL",
"exploitabilityScore": 10.0,
"impactScore": 4.9,
"integrityImpact": "NONE",
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"trust": 1.0,
"userInteractionRequired": false,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
"version": "2.0"
},
{
"acInsufInfo": null,
"accessComplexity": "Low",
"accessVector": "Network",
"authentication": "None",
"author": "NVD",
"availabilityImpact": "Partial",
"baseScore": 6.4,
"confidentialityImpact": "Partial",
"exploitabilityScore": null,
"id": "CVE-2020-12141",
"impactScore": null,
"integrityImpact": "None",
"obtainAllPrivilege": null,
"obtainOtherPrivilege": null,
"obtainUserPrivilege": null,
"severity": "Medium",
"trust": 0.9,
"userInteractionRequired": null,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
"version": "2.0"
}
],
"cvssV3": [
{
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"author": "NVD",
"availabilityImpact": "HIGH",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"exploitabilityScore": 3.9,
"impactScore": 5.2,
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"trust": 1.0,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
},
{
"attackComplexity": "Low",
"attackVector": "Network",
"author": "NVD",
"availabilityImpact": "High",
"baseScore": 9.1,
"baseSeverity": "Critical",
"confidentialityImpact": "High",
"exploitabilityScore": null,
"id": "CVE-2020-12141",
"impactScore": null,
"integrityImpact": "None",
"privilegesRequired": "None",
"scope": "Unchanged",
"trust": 0.8,
"userInteraction": "None",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"version": "3.0"
}
],
"severity": [
{
"author": "NVD",
"id": "CVE-2020-12141",
"trust": 1.8,
"value": "CRITICAL"
},
{
"author": "CNNVD",
"id": "CNNVD-202110-1445",
"trust": 0.6,
"value": "CRITICAL"
},
{
"author": "VULMON",
"id": "CVE-2020-12141",
"trust": 0.1,
"value": "MEDIUM"
}
]
}
],
"sources": [
{
"db": "VULMON",
"id": "CVE-2020-12141"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-017369"
},
{
"db": "NVD",
"id": "CVE-2020-12141"
},
{
"db": "CNNVD",
"id": "CNNVD-202110-1445"
}
]
},
"description": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/description#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "An out-of-bounds read in the SNMP stack in Contiki-NG 4.4 and earlier allows an attacker to cause a denial of service and potentially disclose information via crafted SNMP packets to snmp_ber_decode_string_len_buffer in os/net/app-layer/snmp/snmp-ber.c. Contiki-NG Exists in an out-of-bounds read vulnerability.Information is obtained and service operation is interrupted (DoS) It may be in a state. Contiki is an open source cross-platform operating system for IoT (Internet of Things) devices. \nThere is a security vulnerability in the SNMP stack in Contiki NG 4.4 and earlier versions, which originated from",
"sources": [
{
"db": "NVD",
"id": "CVE-2020-12141"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-017369"
},
{
"db": "CNNVD",
"id": "CNNVD-202110-1445"
},
{
"db": "VULMON",
"id": "CVE-2020-12141"
}
],
"trust": 2.25
},
"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-2020-12141",
"trust": 3.3
},
{
"db": "JVNDB",
"id": "JVNDB-2020-017369",
"trust": 0.8
},
{
"db": "CNNVD",
"id": "CNNVD-202110-1445",
"trust": 0.6
},
{
"db": "VULMON",
"id": "CVE-2020-12141",
"trust": 0.1
}
],
"sources": [
{
"db": "VULMON",
"id": "CVE-2020-12141"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-017369"
},
{
"db": "NVD",
"id": "CVE-2020-12141"
},
{
"db": "CNNVD",
"id": "CNNVD-202110-1445"
}
]
},
"id": "VAR-202110-0901",
"iot": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/iot#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": true,
"sources": [
{
"db": "VARIoT devices database",
"id": null
}
],
"trust": 0.48177084
},
"last_update_date": "2023-12-18T13:55:43.430000Z",
"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": "Refactored\u00a0SNMP\u00a0engine\u00a0after\u00a0vulnerabilities GitHub",
"trust": 0.8,
"url": "https://github.com/contiki-ng/contiki-ng/commit/12c824386ab60de757de5001974d73b32e19ad71#diff-32367fad664c6118fd5dda77cdf38eedc006cdd7544eca5bbeebe0b99653f8a0"
},
{
"title": "Contiki Buffer error vulnerability fix",
"trust": 0.6,
"url": "http://www.cnnvd.org.cn/web/xxk/bdxqbyid.tag?id=167111"
}
],
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2020-017369"
},
{
"db": "CNNVD",
"id": "CNNVD-202110-1445"
}
]
},
"problemtype_data": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/problemtype_data#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"problemtype": "CWE-125",
"trust": 1.0
},
{
"problemtype": "Out-of-bounds read (CWE-125) [NVD evaluation ]",
"trust": 0.8
}
],
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2020-017369"
},
{
"db": "NVD",
"id": "CVE-2020-12141"
}
]
},
"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": 1.7,
"url": "https://github.com/contiki-ng/contiki-ng/pull/1355"
},
{
"trust": 1.7,
"url": "https://github.com/contiki-ng/contiki-ng/commit/12c824386ab60de757de5001974d73b32e19ad71#diff-32367fad664c6118fd5dda77cdf38eedc006cdd7544eca5bbeebe0b99653f8a0"
},
{
"trust": 1.7,
"url": "https://twitter.com/scepticctf"
},
{
"trust": 1.4,
"url": "https://nvd.nist.gov/vuln/detail/cve-2020-12141"
},
{
"trust": 0.1,
"url": "https://cwe.mitre.org/data/definitions/125.html"
},
{
"trust": 0.1,
"url": "https://nvd.nist.gov"
}
],
"sources": [
{
"db": "VULMON",
"id": "CVE-2020-12141"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-017369"
},
{
"db": "NVD",
"id": "CVE-2020-12141"
},
{
"db": "CNNVD",
"id": "CNNVD-202110-1445"
}
]
},
"sources": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#",
"data": {
"@container": "@list"
}
},
"data": [
{
"db": "VULMON",
"id": "CVE-2020-12141"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-017369"
},
{
"db": "NVD",
"id": "CVE-2020-12141"
},
{
"db": "CNNVD",
"id": "CNNVD-202110-1445"
}
]
},
"sources_release_date": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
"data": {
"@container": "@list"
}
},
"data": [
{
"date": "2021-10-19T00:00:00",
"db": "VULMON",
"id": "CVE-2020-12141"
},
{
"date": "2022-09-29T00:00:00",
"db": "JVNDB",
"id": "JVNDB-2020-017369"
},
{
"date": "2021-10-19T16:15:07.613000",
"db": "NVD",
"id": "CVE-2020-12141"
},
{
"date": "2021-10-19T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202110-1445"
}
]
},
"sources_update_date": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
"data": {
"@container": "@list"
}
},
"data": [
{
"date": "2021-10-22T00:00:00",
"db": "VULMON",
"id": "CVE-2020-12141"
},
{
"date": "2022-09-29T05:00:00",
"db": "JVNDB",
"id": "JVNDB-2020-017369"
},
{
"date": "2021-10-22T19:09:17.500000",
"db": "NVD",
"id": "CVE-2020-12141"
},
{
"date": "2021-10-27T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202110-1445"
}
]
},
"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-202110-1445"
}
],
"trust": 0.6
},
"title": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/title#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "Contiki-NG\u00a0 Out-of-bounds read vulnerability in",
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2020-017369"
}
],
"trust": 0.8
},
"type": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/type#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "buffer error",
"sources": [
{
"db": "CNNVD",
"id": "CNNVD-202110-1445"
}
],
"trust": 0.6
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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.
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.
Loading…
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.
Loading…