How severe is CVE-2018-16268?

CVE-2018-16268 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2018-16268 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16268?

CVE-2018-16268 primarily affects Linux Tizen. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-16268?

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

When was CVE-2018-16268 published?

CVE-2018-16268 was published on 2020-01-22 and last updated on 2026-06-17.

CVE-2018-16268

CVE-2018-16268 is a medium-severity vulnerability in Linux Tizen with a CVSS 3.x base score of 4.3. 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-269.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 3.3
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Linux Tizen
Published: 2020-01-22
Last modified: 2026-06-17

Description

The SoundServer/FocusServer system services in Tizen allow an unprivileged process to perform media-related system actions, due to improper D-Bus security policy configurations. Such actions include playing an arbitrary sound file or DTMF tones. This affects Tizen before 5.0 M1, and Tizen-based firmwares including Samsung Galaxy Gear series before build RE2.

Frequently asked questions

What is CVE-2018-16268?: The SoundServer/FocusServer system services in Tizen allow an unprivileged process to perform media-related system actions, due to improper D-Bus security policy configurations. Such actions include playing an arbitrary sound file or DTMF tones. This affects Tizen before 5.0 M1, and Tizen-based firmwares including Samsung Galaxy Gear series before build RE2.
How severe is CVE-2018-16268?: CVE-2018-16268 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2018-16268 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16268?: CVE-2018-16268 primarily affects Linux Tizen. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-16268?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-16268 published?: CVE-2018-16268 was published on 2020-01-22 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:o:linux:tizen:1.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:1.0:m1:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:2.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:2.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:2.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:2.2.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:2.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:2.3.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:2.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:3.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:3.0:m2:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:3.0:m3:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:4.0:m1:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:4.0:m2:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:4.0:m3:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:5.0:*:*:*:*:*:*:*

More vulnerabilities in Linux Tizen

CVE-2021-25437 — Critical (CVSS 9.8): Improper access control vulnerability in Tizen FOTA service prior to Firmware update JUL-2021 Release allows attackers…
CVE-2021-25436 — Critical (CVSS 9.8): Improper input validation vulnerability in Tizen FOTA service prior to Firmware update JUL-2021 Release allows…
CVE-2021-25435 — Critical (CVSS 9.8): Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary…
CVE-2021-25434 — Critical (CVSS 9.8): Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary…
CVE-2018-16263 — High (CVSS 8.8): The PulseAudio system service in Tizen allows an unprivileged process to control its A2DP MediaEndpoint, due to…
CVE-2018-16262 — High (CVSS 8.8): The pkgmgr system service in Tizen allows an unprivileged process to perform package management actions, due to…

All CVEs affecting Linux Tizen →

Other CWE-269 (Improper Privilege Management) vulnerabilities

CVE-2026-31852 — Critical (CVSS 10.0): Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is…
CVE-2025-20282 — Critical (CVSS 10.0): A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2025-0505 — Critical (CVSS 10.0): On Arista CloudVision systems (virtual or physical on-premise deployments), Zero Touch Provisioning can be used to gain…
CVE-2023-48418 — Critical (CVSS 10.0): In checkDebuggingDisallowed of DeviceVersionFragment.java, there is a possible way to access adb before SUW…
CVE-2023-48419 — Critical (CVSS 10.0): An attacker in the wifi vicinity of a target Google Home can spy on the victim, resulting in Elevation of Privilege
CVE-2023-31273 — Critical (CVSS 10.0): Protection mechanism failure in some Intel DCM software before version 5.2 may allow an unauthenticated user to…

Browse all CWE-269 (Improper Privilege Management) vulnerabilities →