How severe is CVE-2023-3099?

CVE-2023-3099 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2023-3099 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3099?

CVE-2023-3099 affects Ubuntukylin Youker-assistant. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-3099?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-3099 published?

CVE-2023-3099 was published on 2023-06-05 and last updated on 2026-06-17.

CVE-2023-3099

CVE-2023-3099 is a medium-severity vulnerability in Ubuntukylin Youker-assistant with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 3.2
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Ubuntukylin Youker-assistant
Published: 2023-06-05
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-3099?: 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.
How severe is CVE-2023-3099?: CVE-2023-3099 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2023-3099 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3099?: CVE-2023-3099 affects Ubuntukylin Youker-assistant. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3099?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-3099 published?: CVE-2023-3099 was published on 2023-06-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ubuntukylin:youker-assistant:*:*:*:*:*:kylinos:*:*

More vulnerabilities in Ubuntukylin Youker-assistant

CVE-2023-3098 — Medium (CVSS 4.4): A vulnerability classified as critical has been found in KylinSoft youker-assistant on KylinOS. Affected is the…

All CVEs affecting Ubuntukylin Youker-assistant →

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-50746 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi…
CVE-2026-46978 — Critical (CVSS 10.0): Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The…
CVE-2026-35308 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars).…
CVE-2026-35307 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that…
CVE-2026-46695 — Critical (CVSS 10.0): Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers…
CVE-2026-46840 — Critical (CVSS 10.0): Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are…

Browse all CWE-284 (Improper Access Control) vulnerabilities →