CVE-2023-48134Public exploitNetwork attack vector

Remote secret disclosure through mini-app access

Published Nov 16, 2023 · Updated Aug 14, 2024

Information disclosure in the nagayama_copabowl mini-app in LINE Corporation LINE 13.6.1 allows remote attackers to obtain an exposed secret. The public report identifies a LIFF URL used to reach the mini-app and labels the issue an exposure of secret, but it does not disclose the storage location or operation that reveals the value. Access requires opening the mini-app through LINE, and no integrity or availability impact is reported.

CVSS severity7.5
High
EPSS probability0.69%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in the nagayama_copabowl mini-app in LINE Corporation LINE 13.6.1 allows remote attackers to obtain an exposed secret. The public report identifies a LIFF URL used to reach the mini-app and labels the issue an exposure of secret, but it does not disclose the storage location or operation that reveals the value. Access requires opening the mini-app through LINE, and no integrity or availability impact is reported.

The record

CVE
CVE-2023-48134
Published
Nov 16, 2023
Updated
Aug 14, 2024
Vendor
LINE Corporation
Product
LINE
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 16, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 14, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=13.6.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

LINE Corporation · LINEversion=13.6.1

Published CVSS scores

7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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