MEDIUM CVSS 6.7
Published: 2022-10-28

CVE-2022-3337

cloudflare warp_mobile_client Security Advisory (CVE-2022-3337)
โ†— Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2022-3337 impacting cloudflare warp_mobile_client. Evaluated with CVSS Base Score of 6.7 (MEDIUM).

Original NVD Description

Source: NIST NVD
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 ย feature being enabled on Zero Trust Platform. This led to bypassing policies and restrictions enforced for enrolled devices by the Zero Trust platform.

๐Ÿ“Š CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
Low (PR:L)
Standard user access required
User Interaction
Required (UI:R)
User must click or open resource
Scope
Changed (S:C)
Impacts components beyond caller authority
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
High (I:H)
Total modification of target system
Availability
Low (A:L)
Partial service performance degradation

๐ŸŽฏ Affected Versions Matrix

Affected Product cloudflare / warp_mobile_client
Affected Versions *
Weakness Enumeration CWE-862

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2022-3337 impacting cloudflare warp_mobile_client.

โšก Nuclei Detection Template (YAML) cve-2022-3337.yaml
id: cve-2022-3337

info:
  name: cloudflare warp_mobile_client - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2022-3337 affecting cloudflare warp_mobile_client.
    Evaluation: 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...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2022-3337
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:L
    cvss-score: 6.7
    cve-id: CVE-2022-3337
    cwe-id: CWE-862
  tags: cve,cve-2022-3337,cloudflare,warp_mobile_client,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "warp_mobile_client"
        part: body
๐Ÿ PoC Exploit & Verification Probe (Python 3) poc_cve-2022-3337.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-3337
# Target: cloudflare warp_mobile_client | CVSS: 6.7 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2022-3337 (cloudflare warp_mobile_client)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against cloudflare warp_mobile_client scope (*).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
๐Ÿ›ก๏ธ Quick Patch & Remediation Script (Bash) patch_cve-2022-3337.sh
# Recommended Remediation & Patching Commands for CVE-2022-3337
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install warp_mobile_client 2>/dev/null || \
sudo dnf upgrade warp_mobile_client 2>/dev/null || \
sudo yum update warp_mobile_client

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i warp_mobile_client 2>/dev/null || rpm -qa | grep -i warp_mobile_client

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

๐Ÿ›ก๏ธ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
โš ๏ธ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

๐Ÿ”— Verified Technical References

โ“ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2022-3337 in cloudflare warp_mobile_client?

Review vendor-specific security notices and update cloudflare warp_mobile_client packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2022-3337?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2022-3337?

CVE-2022-3337 is classified with a CVSS 3.1 Base Score of 6.7 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.7
MEDIUM SEVERITY
CVE ID CVE-2022-3337
Weakness CWE-862
Vendor cloudflare
Product warp_mobile_client
Published 2022-10-28
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:L