CVE-2023-39044

Unauthorized messages via exposed channel access token

Published Sep 20, 2023 · Updated Sep 25, 2024

Information disclosure in ajino-Shiretoko Line 13.6.1 allows attackers to obtain its channel access token and send crafted messages. The published CVE record and its now-unavailable technical report do not disclose the component or operation that exposes the token. The record does not specify the required access or vector; possession of the token permits unauthorized messages through the associated LINE channel.

CVSS severityUnavailable
Unscored
EPSS probability0.38%
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 ajino-Shiretoko Line 13.6.1 allows attackers to obtain its channel access token and send crafted messages. The published CVE record and its now-unavailable technical report do not disclose the component or operation that exposes the token. The record does not specify the required access or vector; possession of the token permits unauthorized messages through the associated LINE channel.

The record

CVE
CVE-2023-39044
Published
Sep 20, 2023
Updated
Sep 25, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1528
Attack vector
Unavailable
Privileges
Unavailable

Timeline

How it unfolded

  1. Sep 20, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 25, 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 vectorUnavailable in this record.
Required privilegesUnavailable in this record.

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

No CVSS assessment is available in this record.

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)
VectorUnavailable
PrivilegesUnavailable
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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