CVE-2021-32666— Asset DoS vulnerability
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I. Basic Information for CVE-2021-32666
Vulnerability Information
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Vulnerability Title
Asset DoS vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
wire-ios is the iOS version of Wire, an open-source secure messaging app. In wire-ios versions 3.8.0 and prior, a vulnerability exists that can cause a denial of service between users. If a user has an invalid assetID for their profile picture and it contains the " character, it will cause the iOS client to crash. The vulnerability is patched in wire-ios version 3.8.1.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
wireapp wire-ios 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wire是个人开发者的一款聊天软件。该软件支持 Web、WindowsiOS、Android、OS X 平台，有群组功能，可以语音通话，发送照片以及其独创性的打招呼方式 PING。 wireapp wire-ios存在安全漏洞，该漏洞源于Wire-iOS 3.8.0版本及之前的版本中，存在一个可以导致用户之间拒绝服务的漏洞。如果如果用户头像的assetID无效，并且包含"字符，它将导致iOS客户端崩溃。
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-2021-32666
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- https://github.com/wireapp/wire-ios/security/advisories/GHSA-2x9x-vh27-h4rvx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-32666
IV. Related Vulnerabilities
Same product: wire-ios
- CVE-2025-49846
wire-ios accidentally logs message contents - CVE-2022-31009
DoS vulnerability: Invalid Accent Colors - CVE-2022-23625
DoS vulnerability: Malformed Resource Identifiers - CVE-2021-41094
Mandatory encryption at rest can be bypassed (UI) in Wire ap - CVE-2021-41093
Account takeover when having only access to a user's short l
Same vendor: wireapp
- CVE-2025-49846
wire-ios accidentally logs message contents - CVE-2025-48066
wire-webapp has no database deletion on client logout - CVE-2025-48061
wire-webapp Has Insufficient Session Invalidation after User - CVE-2023-48221
wire-avs remote format string vulnerability - CVE-2023-22737
wire-server vulnerable to unauthorized removal of Bots from
Same weakness: CWE-20
V. Comments for CVE-2021-32666
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