CVE-2021-25262— Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.
Quick assessment
Affected
Yandex Browser
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Yandex Browser是俄罗斯Yandex公司的一款桌面版网页浏览器。 Yandex Browser for Android 21.3.0之前版本存在安全漏洞，该漏洞源于远程攻击者可执行IDN同形异义攻击。
Possible ATT&CK Techniques 1 AI
T1561 · Disk Wipe
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I. Basic Information for CVE-2021-25262
Vulnerability Information
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Vulnerability Title
Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.
Source: CVE Program / CVE List V5
Vulnerability Description
Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对输出编码和转义不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Yandex Browser 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Yandex Browser是俄罗斯Yandex公司的一款桌面版网页浏览器。 Yandex Browser for Android 21.3.0之前版本存在安全漏洞，该漏洞源于远程攻击者可执行IDN同形异义攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2021-25262
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Same Patch Batch · Yandex · 2025-05-21 · 3 CVEs total
| CVE-2021-25254 | Yandex Browser Lite for Android before 21.1.0 allows remote attackers to spoof the address | |
| CVE-2021-25255 | Yandex Browser Lite for Android prior to version 21.1.0 allows remote attackers to cause a |
IV. Related Vulnerabilities
Same product: Browser
V. Comments for CVE-2021-25262
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