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CVE-2022-3337— Lock WARP switch bypass by removing VPN profile on iOS mobile client

Quick assessment

Affected
Cloudflare WARP
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.

Cloudflare WARP（Cloudflare Vpn）是美国Cloudflare公司的一个用于安全连接的客户端应用软件。 Cloudflare WARP存在安全漏洞，该漏洞源于尽管在零信任平台上启用了锁定WARP开关功能，但用户可以从iOS平台上的WARP移动客户端中删除VPN配置文件。这导致绕过零信任平台对已注册设备强制实施的策略和限制。

CVSS 6.7 · Medium EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1562.001
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I. Basic Information for CVE-2022-3337

Vulnerability Information
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Vulnerability Title
Lock WARP switch bypass by removing VPN profile on iOS mobile client
Source: CVE Program / CVE List V5
Vulnerability Description
It was possible for a user to delete a VPN profile from WARP mobile client on iOS platform despite the Lock WARP switch https://developers.cloudflare.com/cloudflare-one/connections/connect-devices/warp/warp-settings/#lock-warp-switch  feature being enabled on Zero Trust Platform. This led to bypassing policies and restrictions enforced for enrolled devices by the Zero Trust platform.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Cloudflare WARP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cloudflare WARP（Cloudflare Vpn）是美国Cloudflare公司的一个用于安全连接的客户端应用软件。 Cloudflare WARP存在安全漏洞，该漏洞源于尽管在零信任平台上启用了锁定WARP开关功能，但用户可以从iOS平台上的WARP移动客户端中删除VPN配置文件。这导致绕过零信任平台对已注册设备强制实施的策略和限制。
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
Cloudflare WARP 0 ~ 6.15 -

II. Public POCs for CVE-2022-3337

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III. Intelligence Information for CVE-2022-3337

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Vendor Advisories for CVE-2022-3337 (1)

Same Patch Batch · Cloudflare · 2022-10-28 · 6 CVEs total

CVE-2022-3320 6.7 MEDIUM Bypassing Cloudflare Zero Trust policies using warp-cli set-custom-endpoint command
CVE-2022-3321 6.7 MEDIUM Lock WARP switch feature bypass on WARP mobile client for iOS
CVE-2022-3322 6.7 MEDIUM Lock WARP switch bypass on WARP mobile client using iOS quick action
CVE-2022-3512 6.7 MEDIUM Lock WARP switch bypass using warp-cli 'add-trusted-ssid' command
CVE-2022-3616 5.4 MEDIUM OctoRPKI crash when maximum iterations number is reached

IV. Related Vulnerabilities

Same product: WARP
Same vendor: Cloudflare
Same weakness: CWE-862

V. Comments for CVE-2022-3337

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