Vulnerability · CVE-2025-14020
LINE client for Android versions prior to 14.20 contains a UI spoofing vulnerability in the in-app browser where the full-screen security Toast notification is not properly re-disp
Published Dec 15, 2025 · catalog updated Dec 15, 2025 · LINE Corporation LINE client for Android
Last checked Oct 27, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-14020. EPSS is 0.18%. Act only if a listed version of LINE Corporation LINE client for Android is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2025-14019 · Low
- Severity
- Medium5.4
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.18%
- Remediation
- Version ranges on file
- Affected products
- vendor LINE Corporation LINE client for Android 10.0 <14.20
LINE client for Android versions prior to 14.20 contains a UI spoofing vulnerability in the in-app browser where the full-screen security Toast notification is not properly re-displayed when users return from another application, potentially allowing attackers to conduct phishing attacks by impersonating legitimate interfaces.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor LINE Corporation LINE client for Android 10.0 <14.2010.0 <14.20
How to fix CVE-2025-14020
Upgrade
CVE-2025-14020 lists a fix boundary at 14.20. Compare the installed build with that boundary before you change production.
Version check
Seen in 10.0 <14.20
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-14020. EPSS is 0.18%. Act only if a listed version of LINE Corporation LINE client for Android is installed.
Which versions are affected?
Compare what you have installed with LINE Corporation LINE client for Android 10.0 <14.20 10.0 <14.20. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 15, 2025 · EUVD
Detected
LINE client for Android versions prior to 14.20 contains a UI spoofing vulnerability in the in-app browser where the full-screen security Toast notification is not properly re-displayed when users return from another application, potentially allowing attackers to conduct phishing attacks by impersonating legitimate interfaces.
Dec 15, 2025 · EUVD
Updated
LINE client for Android versions prior to 14.20 contains a UI spoofing vulnerability in the in-app browser where the full-screen security Toast notification is not properly re-displayed when users return from another application, potentially allowing attackers to conduct phishing attacks by impersonating legitimate interfaces.
Sources
- CVE.orgVulnerability recordCVE-2025-14020
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-14020
30-day exploitation probability 0.18%
first.org - EUVDVulnerability recordEUVD-2025-203348
LINE client for Android versions prior to 14.20 contains a UI spoofing vulnerability in the in-app browser where the full-screen security Toast notification is not properly re-displayed when users return from another application, potentially allowing attackers to conduct phishing
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 27, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgOct 27, 2026
- FIRST EPSSOct 27, 2026
- EUVDOct 27, 2026