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Fencer Vulns
critical 9.3

CVE-2024-56330 json

Session VNC may be accessed by other sessions on the same host in stardust

published 2024-12-20 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-53114

cvss
9.3
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

Stardust is a platform for streaming isolated desktop containers. With this exploit, inter container communication (ICC) is not disabled. This would allow users within a container to access another containers agent, therefore compromising access.The problem has been patched in any Stardust build past 12/20/24. Users are advised to upgrade. Users may also manually disable ICC if they are unable to upgrade.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
22 mo ago

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA 4.0 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • spaceness stardust

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.