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CodeWise Tornet Scooter Mobile App CVE-2026-7671

LOW
Improper Restriction of Excessive Authentication Attempts (CWE-307)
2026-05-02 VulDB
2.9
CVSS 4.0 · Vendor: VulDB
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Send repeated 2FA token guesses
  2. Delivery
    Endpoint lacks rate-limiting enforcement
  3. Exploit
    Bypass authentication throttle
  4. Execution
    Enumerate valid OTP or bypass 2FA
  5. Persist
    Gain account access
  6. Impact
    Exfiltrate sensitive data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Brute-force prevention, rate limiting
Exploitation Conditions

The vulnerability requires remote network access to the /TwoFactor endpoint and an authenticated or partially-authenticated session context (insufficient to determine exact authentication level from CVSS vector alone - PR:N indicates no privilege requirement, but whether this is unauthenticated access or access with a valid primary credential is not explicitly stated). Attack complexity is high (AC:H), implying specific technical conditions must be met: the attacker must understand the exact request format, timing, and response patterns of the /TwoFactor endpoint, and may face protocol-level obstacles such as SSL pinning, request signing, or session validation. No indication that special configuration or feature enablement is required - rate-limiting bypass appears present in default deployments of version 4.75. The mobile app's platform (iOS/Android) may impose additional constraints such as network connectivity, TLS validation, or app-specific headers that increase practical exploitation difficulty. No documentation of version-specific configurations or optional features that would limit scope.

Impact

This vulnerability presents low-to-moderate real-world risk despite public exploit availability. The CVSS score of 3.7 reflects limited impact: the attack vector is network-accessible (AV:N), requires no privileges (PR:N) and no user interaction (UI:N), but attack complexity is high (AC:H), indicating non-trivial exploitation requirements. The confidentiality impact is low (C:L), with no integrity or availability impact. EPSS data is not provided, limiting quantitative exploitation probability assessment. The high attack complexity (AC:H) contradicts the description's claim of 'highly complex' exploitation being 'difficult' - AC:H suggests technical barriers exist, such as timing sensitivity, protocol nuances, or required knowledge of specific token formats. Exploitation status shows publicly available exploit code (E:P in CVSS vector), but no CISA KEV confirmation of active exploitation in the wild. The absence of vendor response and patch availability increases long-term risk for users unable to remediate. Without explicit configuration data, rate-limiting bypass appears possible against default deployments, but AC:H indicates this is not a trivial 'turn-key' attack. Organizations using this app should prioritize patching if available, but this is not an emergency-level threat compared to network RCE or authentication bypass in critical services.

Exploit ScenarioDerived

An attacker obtains or guesses a target user's primary credentials (username/email), then uses the publicly available exploit code to send rapid, automated POST requests to the /TwoFactor endpoint with common OTP values (e.g., sequential 6-digit codes 000000-999999) or pre-computed token dictionaries. Due to absent rate-limiting, the endpoint accepts hundreds or thousands of requests per minute without throttling, account lockout, or notification. If the user's 2FA mechanism relies on time-based OTP with a wide acceptance window or short-lived tokens, the attacker may achieve account compromise within minutes to hours of sustained brute-force attempts.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – May 03, 2026

Improper restriction of excessive authentication attempts in CodeWise Tornet Scooter Mobile App 4.75 on iOS and Android allows remote attackers to bypass rate-limiting controls on the /TwoFactor endpoint, potentially enabling brute-force attacks against two-factor authentication mechanisms. Publicly available exploit code exists. The vendor did not respond to early disclosure notification.

RemediationAI

Upgrade to the latest patched version of CodeWise Tornet Scooter Mobile App when available from the Google Play Store (Android) or Apple App Store (iOS). Since the vendor did not respond to disclosure and no official patch version is confirmed, check both app stores for security updates. In the interim, implement application-level compensating controls: (1) Deploy server-side rate-limiting on the /TwoFactor endpoint (e.g., max 5 attempts per IP/user per 15 minutes) with exponential backoff and account temporary lockout after threshold; (2) Implement CAPTCHA or challenge-response verification after 3 failed attempts to add friction to automated attacks; (3) Monitor for anomalous authentication patterns (rapid sequential attempts) and alert administrators. User-level mitigation: enable push notification approval for two-factor authentication if the app supports it, as this adds a second verification barrier beyond OTP/SMS that rate-limiting attacks cannot directly bypass. Note: these compensating controls reduce but do not eliminate the risk - vendor patching remains the primary requirement.

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Technical ContextAI · show details

The vulnerability resides in the /TwoFactor endpoint of the mobile application, which implements two-factor authentication but fails to enforce proper rate-limiting or lockout mechanisms (CWE-307: Improper Restriction of Excessive Authentication Attempts). This weakness allows attackers to submit repeated authentication attempts without facing throttling, increased delays, account lockouts, or other protective controls that typically defend against credential enumeration and brute-force attacks. The affected product is the CodeWise Tornet Scooter Mobile App running on iOS and Android platforms, identified by CPE cpe:2.3:a:codewise:tornet_scooter_mobile_app.

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Severity by source

Vendor (VulDB) PRIMARY 2.9 LOW
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

Primary rating from Vendor (VulDB) · only source for this CVE.

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
High
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vulnerable system: Confidentiality
Low
Vulnerable system: Integrity
None
Vulnerable system: Availability
None
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

3
PoC Detected
May 04, 2026 - 15:19 vuln.today
Public exploit code
CVSS changed
May 03, 2026 - 00:22 NVD
3.7 (LOW) 2.9 (LOW)
CVE Published
May 02, 2026 - 23:30 nvd
LOW 2.9

DescriptionCVE.org

A vulnerability has been found in CodeWise Tornet Scooter Mobile App 4.75 on iOS/Android. The impacted element is an unknown function of the file /TwoFactor. Such manipulation leads to improper restriction of excessive authentication attempts. The attack may be performed from remote. Attacks of this nature are highly complex. The exploitability is regarded as difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Threat Intelligence Overview

EPSS Score
0.0%
Top 94% exploitable
Exploit
POC
Public exploit code exists
Data Quality
5 sources
Confidence: Medium
NVD CVE.org EPSS Vulnrichment VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity LOW
CISA KEV No
Public POC Yes
EPSS 0.0%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
Poc
System Exposure· derived
Open
Automatable
No
Human Impact· derived
Low
Technical Impact
Partial

Priority Score

34
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +14
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:a:codewise:tornet_scooter_mobile_app:*:*:*:*:*:*:*:*

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