CVE-2023-43298Network attack vector

Unauthorized notifications via exposed channel access token

Published Dec 7, 2023 · Updated Nov 26, 2024

Sensitive token exposure in the SCOL Members Card mini-app for LINE 13.6.1 allows remote attackers to send crafted notifications. The published record identifies leakage of the channel access token as the mechanism but does not disclose the code path or operation that exposes it. No authentication or user interaction is required; possession of the leaked token permits unauthorized notification content but no reported data access or service interruption.

CVSS severity5.3
Medium
EPSS probability0.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sensitive token exposure in the SCOL Members Card mini-app for LINE 13.6.1 allows remote attackers to send crafted notifications. The published record identifies leakage of the channel access token as the mechanism but does not disclose the code path or operation that exposes it. No authentication or user interaction is required; possession of the leaked token permits unauthorized notification content but no reported data access or service interruption.

The record

CVE
CVE-2023-43298
Published
Dec 7, 2023
Updated
Nov 26, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1528
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 7, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 26, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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.

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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 exploitUnconfirmed

Weakness, pattern, technique

T1528Steal Application Access Token

Public exploit references

No public exploit references are available in this record.

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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