CVE-2024-0642Network attack vector

Unauthenticated administrator access via credential mismanagement

Published Jan 17, 2024 · Updated Jun 2, 2025

Improper access control in Cires21 C21 Live Encoder 5.3 allows remote attackers to obtain administrator access through an application endpoint. The unnamed endpoint accepts improperly managed credentials, but INCIBE has not disclosed the exact validation error or request format. No prior authentication or user interaction is required, and successful access grants administrative control over application data and service operation.

CVSS severity9.8
Critical
EPSS probability0.63%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Cires21 C21 Live Encoder 5.3 allows remote attackers to obtain administrator access through an application endpoint. The unnamed endpoint accepts improperly managed credentials, but INCIBE has not disclosed the exact validation error or request format. No prior authentication or user interaction is required, and successful access grants administrative control over application data and service operation.

The record

CVE
CVE-2024-0642
Published
Jan 17, 2024
Updated
Jun 2, 2025
Vendor
Cires21
Product
C21 Live Encoder
Classifications
CWE-284, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 17, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 2, 2025Record 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=5.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Cires21 · C21 Live Encoderversion=5.3

Published CVSS scores

9.8INCIBECVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1190Exploit Public-Facing Application

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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