|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
|CTI Interest Score|
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A vulnerability classified as problematic was found in Google Chrome (Web Browser). This vulnerability affects an unknown code block of the component URL Format Handler. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
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.
The weakness was released 03/05/2021. The advisory is available at chromereleases.googleblog.com. This vulnerability was named CVE-2021-21187 since 12/21/2020. Access to the local network is required for this attack. The requirement for exploitation is a single authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 03/28/2021). It is expected to see the exploit prices for this product increasing in the near future.
Upgrading to version 89.0.4389.72 eliminates this vulnerability.
CVSSv3VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.7
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 4.3
NVD Vector: 🔒
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
NVD Base Score: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceThreat: 🔍
0-Day Time: 🔒
Upgrade: Chrome 89.0.4389.72
Timeline12/21/2020 CVE assigned
03/05/2021 +74 days Advisory disclosed
03/05/2021 +0 days VulDB entry created
03/28/2021 +23 days VulDB last update
CVE: CVE-2021-21187 (🔒)
EntryCreated: 03/05/2021 06:58 AM
Updated: 03/28/2021 10:54 AM
Changes: (18) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss2_nvd_basescore vulnerability_cvss3_nvd_basescore
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