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ChromeCVE-2021-21187

HistoryMar 09, 2021 - 6:15 p.m.

CVE-2021-21187

2021-03-0918:15:17

Chrome

web.nvd.nist.gov

169

cve-2021-21187

url formatting

google chrome

data validation

domain spoofing

idn homographs

security vulnerability

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

AI Score

Confidence

High

EPSS

0.002

Percentile

54.9%

JSON

Insufficient data validation in URL formatting in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.

Affected configurations

Nvd

Vulners

Node

googlechromeRange<89.0.4389.72

Node

fedoraprojectfedoraMatch32

fedoraprojectfedoraMatch33

fedoraprojectfedoraMatch34

Node

debiandebian_linuxMatch10.0

VendorProductVersionCPE
googlechrome*cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
fedoraprojectfedora32cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
fedoraprojectfedora33cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
fedoraprojectfedora34cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
google	chrome	*	cpe:2.3:a:google:chrome::::::::
fedoraproject	fedora	32	cpe:2.3:o:fedoraproject:fedora:32:::::::*
fedoraproject	fedora	33	cpe:2.3:o:fedoraproject:fedora:33:::::::*
fedoraproject	fedora	34	cpe:2.3:o:fedoraproject:fedora:34:::::::*
debian	debian_linux	10.0	cpe:2.3:o:debian:debian_linux:10.0:::::::*

CNA Affected

[
  {
    "product": "Chrome",
    "vendor": "Google",
    "versions": [
      {
        "lessThan": "89.0.4389.72",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]