CVE-2021-21134 (GCVE-0-2021-21134)
Vulnerability from cvelistv5 – Published: 2021-02-09 13:56 – Updated: 2024-08-03 18:01
VLAI
EPSS
VEX
Summary
Incorrect security UI in Page Info in Google Chrome on iOS prior to 88.0.4324.96 allowed a remote attacker to spoof security UI via a crafted HTML page.
Severity
6.5 (Medium)
CWE
- Incorrect security UI
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://chromereleases.googleblog.com/2021/01/sta… | x_refsource_MISC |
| https://crbug.com/1157800 | x_refsource_MISC |
| https://msrc.microsoft.com/update-guide/en-US/vul… | x_refsource_MISC |
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T18:01:14.065Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://crbug.com/1157800"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21134"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Chrome",
"vendor": "Google",
"versions": [
{
"lessThan": "88.0.4324.96",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Incorrect security UI in Page Info in Google Chrome on iOS prior to 88.0.4324.96 allowed a remote attacker to spoof security UI via a crafted HTML page."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Incorrect security UI",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-02-24T20:01:15.000Z",
"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
"shortName": "Chrome"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://crbug.com/1157800"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21134"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "chrome-cve-admin@google.com",
"ID": "CVE-2021-21134",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Chrome",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "88.0.4324.96"
}
]
}
}
]
},
"vendor_name": "Google"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Incorrect security UI in Page Info in Google Chrome on iOS prior to 88.0.4324.96 allowed a remote attacker to spoof security UI via a crafted HTML page."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Incorrect security UI"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html",
"refsource": "MISC",
"url": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html"
},
{
"name": "https://crbug.com/1157800",
"refsource": "MISC",
"url": "https://crbug.com/1157800"
},
{
"name": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21134",
"refsource": "MISC",
"url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21134"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
"assignerShortName": "Chrome",
"cveId": "CVE-2021-21134",
"datePublished": "2021-02-09T13:56:06.000Z",
"dateReserved": "2020-12-21T00:00:00.000Z",
"dateUpdated": "2024-08-03T18:01:14.065Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-21134",
"date": "2026-09-26",
"epss": "0.05036",
"percentile": "0.91971"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*",
"matchCriteriaId": "565ED6B8-8F41-4E79-A280-33CB321E607F",
"versionEndExcluding": "88.0.4324.96",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:apple:iphone_os:-:*:*:*:*:*:*:*",
"matchCriteriaId": "B5415705-33E5-46D5-8E4D-9EBADC8C5705",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*",
"matchCriteriaId": "F4045760-DF4A-4728-9B52-0280FC45C05D",
"versionEndExcluding": "88.0.705.50",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Incorrect security UI in Page Info in Google Chrome on iOS prior to 88.0.4324.96 allowed a remote attacker to spoof security UI via a crafted HTML page."
},
{
"lang": "es",
"value": "La Interfaz de Usuario de seguridad incorrecta en Page Info en Google Chrome en iOS versiones anteriores a 88.0.4324.96, permiti\u00f3 a un atacante remoto falsificar la Interfaz de Usuario de seguridad por medio de una p\u00e1gina HTML dise\u00f1ada"
}
],
"id": "CVE-2021-21134",
"lastModified": "2024-11-21T05:47:38.023",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-02-09T14:15:16.530",
"references": [
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Permissions Required",
"Third Party Advisory"
],
"url": "https://crbug.com/1157800"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Third Party Advisory"
],
"url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21134"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Permissions Required",
"Third Party Advisory"
],
"url": "https://crbug.com/1157800"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21134"
}
],
"sourceIdentifier": "chrome-cve-admin@google.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-290"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*",
"matchCriteriaId": "565ED6B8-8F41-4E79-A280-33CB321E607F",
"versionEndExcluding": "88.0.4324.96",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:apple:iphone_os:-:*:*:*:*:*:*:*",
"matchCriteriaId": "B5415705-33E5-46D5-8E4D-9EBADC8C5705",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*",
"matchCriteriaId": "F4045760-DF4A-4728-9B52-0280FC45C05D",
"versionEndExcluding": "88.0.705.50",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Incorrect security UI in Page Info in Google Chrome on iOS prior to 88.0.4324.96 allowed a remote attacker to spoof security UI via a crafted HTML page."
},
{
"lang": "es",
"value": "La Interfaz de Usuario de seguridad incorrecta en Page Info en Google Chrome en iOS versiones anteriores a 88.0.4324.96, permiti\u00f3 a un atacante remoto falsificar la Interfaz de Usuario de seguridad por medio de una p\u00e1gina HTML dise\u00f1ada"
}
],
"id": "CVE-2021-21134",
"lastModified": "2024-11-21T05:47:38.023",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-02-09T14:15:16.530",
"references": [
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Permissions Required",
"Third Party Advisory"
],
"url": "https://crbug.com/1157800"
},
{
"source": "chrome-cve-admin@google.com",
"tags": [
"Third Party Advisory"
],
"url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21134"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Permissions Required",
"Third Party Advisory"
],
"url": "https://crbug.com/1157800"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21134"
}
],
"sourceIdentifier": "chrome-cve-admin@google.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-290"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-11-21T16:58:46+00:00",
"cve": "CVE-2021-21134",
"id": "CVE-2021-21134",
"initial_release_date": "2021-01-19T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "chromium-browser: Incorrect security UI in Page Info",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-21134.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "critical",
"current_release_date": "2025-03-15T09:13:38Z",
"cve": "CVE-2021-21134",
"id": "CVE-2021-21134",
"initial_release_date": "2023-02-15T03:46:54Z",
"product_status:recommended": "14",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2021-21134",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-21134.json",
"version": "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…
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…