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CVE-2021-30496

Quick assessment

Affected
n/a n/a
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.

Telegram是一款即时通信移动应用程序。 Telegram app 7.6.2版本存在安全漏洞，该漏洞源于允许远程认证用户在受害者将攻击者可利用该漏洞提供的消息粘贴到一个通道或组时导致拒绝服务。

AI Predicted 5.5 Difficulty: Trivial EPSS 1.18% · P66

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-30496

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The Telegram app 7.6.2 for iOS allows remote authenticated users to cause a denial of service (application crash) if the victim pastes an attacker-supplied message (e.g., in the Persian language) into a channel or group. The crash occurs in MtProtoKitFramework. NOTE: the vendor's perspective is that "this behavior can't be considered a vulnerability."
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Telegram 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Telegram是一款即时通信移动应用程序。 Telegram app 7.6.2版本存在安全漏洞，该漏洞源于允许远程认证用户在受害者将攻击者可利用该漏洞提供的消息粘贴到一个通道或组时导致拒绝服务。
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
- n/a n/a -

II. Public POCs for CVE-2021-30496

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III. Intelligence Information for CVE-2021-30496

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Other References for CVE-2021-30496 (2)

Same Patch Batch · n/a · 2021-04-20 · 13 CVEs total

CVE-2020-35314 WonderCMS 操作系统命令注入漏洞
CVE-2020-35313 WonderCMS 代码问题漏洞
CVE-2021-30464 OMICRON StationGuard 资源管理错误漏洞
CVE-2020-14105 Xiaomi 10 安全漏洞
CVE-2021-28156 Hashicorp HashiCorp Consul 安全漏洞
CVE-2020-25864 HashiCorp Consul and Consul Enterprise 跨站脚本漏洞
CVE-2021-28492 unisys stealth(core) 安全漏洞
CVE-2021-28793 Lex Li vscode-restructuredtext 访问控制错误漏洞
CVE-2021-25681 ADTRAN AdTran-Personal-Phone-Manager-Vulns 安全漏洞
CVE-2021-25680 ADTRAN AdTran-Personal-Phone-Manager-Vulns 跨站脚本漏洞
CVE-2021-25679 ADTRAN AdTran-Personal-Phone-Manager-Vulns 跨站脚本漏洞
CVE-2021-29155 Linux kernel 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-30496

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