Line
CVE-2018-13435
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK
2 techniques across 2 tactics: Defense Evasion, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.0 (HIGH). Attack characteristics: local attack vector, high complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A local attacker with access to the system could bypass authentication mechanisms to gain unauthorized access. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
An issue was discovered in the LINE jp.naver.line application 8.8.0 for iOS. Rated high severity (CVSS 7.0). Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. An issue was discovered in the LINE jp.naver.line application 8.8.0 for iOS. The Passcode feature allows authentication bypass via runtime manipulation that forces a certain method to disable passcode authentication. NOTE: the vendor indicates that this is not an attack of interest within the context of their threat model, which excludes iOS devices on which a jailbreak has occurred Affected products include: Linecorp Line.
Know when Line gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
An issue was discovered in the LINE jp.naver.line application 8.8.0 for iOS. The Passcode feature allows authentication bypass via runtime manipulation that forces a certain method to disable passcode authentication. NOTE: the vendor indicates that this is not an attack of interest within the context of their threat model, which excludes iOS devices on which a jailbreak has occurred
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)NVD
An issue in Tamaki_hamanoki Line v.13.6.1 allows attackers to send crafted notifications via leakage of the channel acce
An issue in studio kent mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of
An issue in PARK DANDAN mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of
An issue in sanTas mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the
An issue in DARTS SHOP MAXIM mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leaka
nagayama_copabowl Line 13.6.1 is vulnerable to Exposure of Sensitive Information to an Unauthorized Actor. Rated high se
An issue in tire-sales Line v.13.6.1 allows a remote attacker to obtain sensitive information via crafted GET request. R
An issue in rmc R Beauty CLINIC Line v.13.6.1 allows a remote attacker to obtain sensitive information via crafted GET r
An issue in CHRISTINA JAPAN Line v.13.6.1 allows a remote attacker to obtain sensitive information via crafted GET reque
An issue in Marbre Lapin Line v.13.6.1 allows a remote attacker to obtain sensitive information via crafted GET request.
An issue in Anglaise Company Anglaise.Company v.13.6.1 allows a remote attacker to obtain sensitive information via craf
An issue was discovered in the LINE jp.naver.line application 8.8.1 for Android. Rated high severity (CVSS 7.0). Public
Exploit-DB