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Fencer Vulns
critical 9.8

CVE-2024-0642 json

Inadequate access control in C21 Live Encoder and Live Mosaic

published 2024-01-17 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-16434

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

Inadequate access control in the C21 Live Encoder and Live Mosaic product, version 5.3. This vulnerability allows a remote attacker to access the application as an administrator user through the application endpoint, due to lack of proper credential management.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
18 mo ago

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Cires21 C21 Live Encoder and Live Mosaic

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.