VAR-202009-0773
Vulnerability from variot - Updated: 2024-11-23 23:01An issue was discovered in the GAEN (aka Google/Apple Exposure Notifications) protocol through 2020-09-29, as used in COVID-19 applications on Android and iOS. It allows a user to be put in a position where he or she can be coerced into proving or disproving an exposure notification, because of the persistent state of a private framework. Apple iOS is an operating system developed for mobile devices by Google and the Open Handheld Alliance (OHA). Android is a Linux-based open source operating system developed by Google and the Open Handheld Alliance (OHA)
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-202009-0773",
"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": "exposure notifications",
"scope": "lte",
"trust": 1.0,
"vendor": "google",
"version": "1.5"
},
{
"model": "exposure notifications",
"scope": "lte",
"trust": 1.0,
"vendor": "apple",
"version": "1.5"
},
{
"model": "exposure notifications api for ios",
"scope": "lte",
"trust": 0.8,
"vendor": "\u30a2\u30c3\u30d7\u30eb",
"version": "2020-09-29 until"
},
{
"model": "exposure notifications api for android",
"scope": null,
"trust": 0.8,
"vendor": "google",
"version": null
}
],
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2020-012490"
},
{
"db": "NVD",
"id": "CVE-2020-24721"
}
]
},
"credits": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/credits#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "Dirk-Willem van Gulik",
"sources": [
{
"db": "CNNVD",
"id": "CNNVD-202009-1679"
}
],
"trust": 0.6
},
"cve": "CVE-2020-24721",
"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": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"author": "nvd@nist.gov",
"availabilityImpact": "NONE",
"baseScore": 3.3,
"confidentialityImpact": "PARTIAL",
"exploitabilityScore": 3.4,
"id": "CVE-2020-24721",
"impactScore": 4.9,
"integrityImpact": "PARTIAL",
"severity": "LOW",
"trust": 1.9,
"vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:N",
"version": "2.0"
},
{
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"author": "VULHUB",
"availabilityImpact": "NONE",
"baseScore": 3.3,
"confidentialityImpact": "PARTIAL",
"exploitabilityScore": 3.4,
"id": "VHN-178628",
"impactScore": 4.9,
"integrityImpact": "PARTIAL",
"severity": "LOW",
"trust": 0.1,
"vectorString": "AV:L/AC:M/AU:N/C:P/I:P/A:N",
"version": "2.0"
}
],
"cvssV3": [
{
"attackComplexity": "LOW",
"attackVector": "PHYSICAL",
"author": "nvd@nist.gov",
"availabilityImpact": "NONE",
"baseScore": 5.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"exploitabilityScore": 0.5,
"id": "CVE-2020-24721",
"impactScore": 5.2,
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"trust": 1.0,
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N",
"version": "3.1"
},
{
"attackComplexity": "Low",
"attackVector": "Physical",
"author": "NVD",
"availabilityImpact": "None",
"baseScore": 5.7,
"baseSeverity": "Medium",
"confidentialityImpact": "High",
"exploitabilityScore": null,
"id": "CVE-2020-24721",
"impactScore": null,
"integrityImpact": "High",
"privilegesRequired": "Low",
"scope": "Unchanged",
"trust": 0.8,
"userInteraction": "Required",
"vectorString": "CVSS:3.0/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N",
"version": "3.0"
}
],
"severity": [
{
"author": "nvd@nist.gov",
"id": "CVE-2020-24721",
"trust": 1.0,
"value": "MEDIUM"
},
{
"author": "NVD",
"id": "CVE-2020-24721",
"trust": 0.8,
"value": "Medium"
},
{
"author": "CNNVD",
"id": "CNNVD-202009-1679",
"trust": 0.6,
"value": "MEDIUM"
},
{
"author": "VULHUB",
"id": "VHN-178628",
"trust": 0.1,
"value": "LOW"
},
{
"author": "VULMON",
"id": "CVE-2020-24721",
"trust": 0.1,
"value": "LOW"
}
]
}
],
"sources": [
{
"db": "VULHUB",
"id": "VHN-178628"
},
{
"db": "VULMON",
"id": "CVE-2020-24721"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-012490"
},
{
"db": "CNNVD",
"id": "CNNVD-202009-1679"
},
{
"db": "NVD",
"id": "CVE-2020-24721"
}
]
},
"description": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/description#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "An issue was discovered in the GAEN (aka Google/Apple Exposure Notifications) protocol through 2020-09-29, as used in COVID-19 applications on Android and iOS. It allows a user to be put in a position where he or she can be coerced into proving or disproving an exposure notification, because of the persistent state of a private framework. Apple iOS is an operating system developed for mobile devices by Google and the Open Handheld Alliance (OHA). Android is a Linux-based open source operating system developed by Google and the Open Handheld Alliance (OHA)",
"sources": [
{
"db": "NVD",
"id": "CVE-2020-24721"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-012490"
},
{
"db": "VULHUB",
"id": "VHN-178628"
},
{
"db": "VULMON",
"id": "CVE-2020-24721"
}
],
"trust": 1.8
},
"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-2020-24721",
"trust": 2.6
},
{
"db": "PACKETSTORM",
"id": "159419",
"trust": 1.8
},
{
"db": "JVNDB",
"id": "JVNDB-2020-012490",
"trust": 0.8
},
{
"db": "CNNVD",
"id": "CNNVD-202009-1679",
"trust": 0.6
},
{
"db": "VULHUB",
"id": "VHN-178628",
"trust": 0.1
},
{
"db": "VULMON",
"id": "CVE-2020-24721",
"trust": 0.1
}
],
"sources": [
{
"db": "VULHUB",
"id": "VHN-178628"
},
{
"db": "VULMON",
"id": "CVE-2020-24721"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-012490"
},
{
"db": "CNNVD",
"id": "CNNVD-202009-1679"
},
{
"db": "NVD",
"id": "CVE-2020-24721"
}
]
},
"id": "VAR-202009-0773",
"iot": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/iot#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": true,
"sources": [
{
"db": "VULHUB",
"id": "VHN-178628"
}
],
"trust": 0.01
},
"last_update_date": "2024-11-23T23:01:18.161000Z",
"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": "An\u00a0update\u00a0on\u00a0Exposure\u00a0Notifications Apple Apple\u00a0Developer",
"trust": 0.8,
"url": "https://blog.google/inside-google/company-announcements/update-exposure-notifications"
},
{
"title": "Google Apple GAEN Security vulnerabilities",
"trust": 0.6,
"url": "http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=130412"
}
],
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2020-012490"
},
{
"db": "CNNVD",
"id": "CNNVD-202009-1679"
}
]
},
"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-2020-012490"
},
{
"db": "NVD",
"id": "CVE-2020-24721"
}
]
},
"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": 2.6,
"url": "https://github.com/minvws/nl-covid19-notification-app-coordination/blob/master/cves/cve-2020-24721.txt"
},
{
"trust": 2.5,
"url": "http://packetstormsecurity.com/files/159419/corona-exposure-notifications-api-data-leakage.html"
},
{
"trust": 1.8,
"url": "https://seclists.org/fulldisclosure/2020/sep/53"
},
{
"trust": 1.8,
"url": "https://blog.google/inside-google/company-announcements/update-exposure-notifications"
},
{
"trust": 1.4,
"url": "https://nvd.nist.gov/vuln/detail/cve-2020-24721"
},
{
"trust": 0.1,
"url": "https://cwe.mitre.org/data/definitions/.html"
},
{
"trust": 0.1,
"url": "https://nvd.nist.gov"
}
],
"sources": [
{
"db": "VULHUB",
"id": "VHN-178628"
},
{
"db": "VULMON",
"id": "CVE-2020-24721"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-012490"
},
{
"db": "CNNVD",
"id": "CNNVD-202009-1679"
},
{
"db": "NVD",
"id": "CVE-2020-24721"
}
]
},
"sources": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#",
"data": {
"@container": "@list"
}
},
"data": [
{
"db": "VULHUB",
"id": "VHN-178628"
},
{
"db": "VULMON",
"id": "CVE-2020-24721"
},
{
"db": "JVNDB",
"id": "JVNDB-2020-012490"
},
{
"db": "CNNVD",
"id": "CNNVD-202009-1679"
},
{
"db": "NVD",
"id": "CVE-2020-24721"
}
]
},
"sources_release_date": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
"data": {
"@container": "@list"
}
},
"data": [
{
"date": "2020-09-30T00:00:00",
"db": "VULHUB",
"id": "VHN-178628"
},
{
"date": "2020-09-30T00:00:00",
"db": "VULMON",
"id": "CVE-2020-24721"
},
{
"date": "2021-05-11T00:00:00",
"db": "JVNDB",
"id": "JVNDB-2020-012490"
},
{
"date": "2020-09-30T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202009-1679"
},
{
"date": "2020-09-30T18:15:25.193000",
"db": "NVD",
"id": "CVE-2020-24721"
}
]
},
"sources_update_date": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
"data": {
"@container": "@list"
}
},
"data": [
{
"date": "2020-10-22T00:00:00",
"db": "VULHUB",
"id": "VHN-178628"
},
{
"date": "2020-10-22T00:00:00",
"db": "VULMON",
"id": "CVE-2020-24721"
},
{
"date": "2021-05-11T04:56:00",
"db": "JVNDB",
"id": "JVNDB-2020-012490"
},
{
"date": "2020-10-23T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202009-1679"
},
{
"date": "2024-11-21T05:15:58.070000",
"db": "NVD",
"id": "CVE-2020-24721"
}
]
},
"title": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/title#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "Android\u00a0 For and \u00a0iOS\u00a0 for \u00a0GAEN\u00a0 Protocol vulnerabilities",
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2020-012490"
}
],
"trust": 0.8
},
"type": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/type#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "other",
"sources": [
{
"db": "CNNVD",
"id": "CNNVD-202009-1679"
}
],
"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…