Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-25521

Quick assessment

Affected
Samsung Mobile Samsung Internet
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.

Samsung Internet是韩国三星（Samsung）公司的一个手机应用。提供了一个浏览器功能。 Samsung Internet 16.0.2之前版本存在跨站脚本漏洞，该漏洞源于软件SearchKeyword深链接逻辑中缺少有限的检查和验证，允许不受信任的应用程序在Samsung Internet获得当前标签URL。

CVSS 4.0 · Medium EPSS 0.21% · P12

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-25521

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insecure caller check in sharevia deeplink logic prior to Samsung Internet 16.0.2 allows unstrusted applications to get current tab URL in Samsung Internet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Samsung Internet 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Samsung Internet是韩国三星（Samsung）公司的一个手机应用。提供了一个浏览器功能。 Samsung Internet 16.0.2之前版本存在跨站脚本漏洞，该漏洞源于软件SearchKeyword深链接逻辑中缺少有限的检查和验证，允许不受信任的应用程序在Samsung Internet获得当前标签URL。
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

Vendor Product Affected Versions CPE Subscribe
Samsung Mobile Samsung Internet - ~ 16.0.2 -

II. Public POCs for CVE-2021-25521

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-25521

请登录查看更多情报信息。

Other References for CVE-2021-25521 (1)

Same Patch Batch · Samsung Mobile · 2021-12-08 · 18 CVEs total

CVE-2021-25517 7.7 HIGH Samsung Ldfw 输入验证错误漏洞
CVE-2021-25516 6.4 MEDIUM Samsung SMR 安全漏洞
CVE-2021-25518 6.4 MEDIUM Samsung Ldfw 缓冲区错误漏洞
CVE-2021-25511 6.3 MEDIUM Samsung SMR 路径遍历漏洞
CVE-2021-25512 6.1 MEDIUM Samsung SMR 输入验证错误漏洞
CVE-2021-25520 5.9 MEDIUM Samsung Internet 跨站脚本漏洞
CVE-2021-25510 5.3 MEDIUM Samsung SMR 输入验证错误漏洞
CVE-2021-25522 5.3 MEDIUM Samsung Smart Capture 安全漏洞
CVE-2021-25519 4.0 MEDIUM Samsung CPLC 安全漏洞
CVE-2021-25523 4.0 MEDIUM Samsung Dialer 安全漏洞
CVE-2021-25524 4.0 MEDIUM Samsung Contacts 安全漏洞
CVE-2021-25515 4.0 MEDIUM Samsung SMR 安全漏洞
CVE-2021-25526 4.0 MEDIUM Samsung Blockchain Wallet 安全漏洞
CVE-2021-25527 3.8 LOW Samsung Pay 安全漏洞
CVE-2021-25514 3.3 LOW Samsung SMR 安全漏洞
CVE-2021-25513 2.4 LOW Samsung SMR 安全漏洞
CVE-2021-25525 2.0 LOW Samsung Pay 代码问题漏洞

IV. Related Vulnerabilities

Same product: Samsung Internet
Same vendor: Samsung Mobile
Same weakness: CWE-285

V. Comments for CVE-2021-25521

No comments yet

Leave a comment