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Fencer Vulns
medium 4.4

CVE-2023-3099 json

KylinSoft youker-assistant Arbitrary File dbus.SystemBus delete_file access control

published 2023-06-05 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43786

cvss
4.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits
0
none known

Summary

A vulnerability classified as critical was found in KylinSoft youker-assistant on KylinOS. Affected by this vulnerability is the function delete_file in the library dbus.SystemBus of the component Arbitrary File Handler. The manipulation leads to improper access controls. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. Upgrading to version 3.0.2-0kylin6k70-23 is able to address this issue. It is recommended to upgrade the affected component. The identifier VDB-230689 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Patch / fix

  • ubuntukylin youker-assistant 3.0.2-0kylin6k70-23

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/i900008/vulndb/blob/main/kylinos_vul4.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CNA 3.0 4.4 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CNA 2.0 3.2 AV:L/AC:L/Au:S/C:N/I:P/A:P
NVD 3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Affected products

  • KylinSoft youker-assistant

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.