How severe is CVE-2018-16263?

CVE-2018-16263 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-16263 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16263?

CVE-2018-16263 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-2018-16263?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-16263 published?

CVE-2018-16263 was published on 2020-01-22 and last updated on 2026-06-17.

CVE-2018-16263

CVE-2018-16263 is a high-severity vulnerability in Linux Tizen with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
CVSS v2: 5.8
EPSS exploit prediction: 1% (52nd 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 PulseAudio system service in Tizen allows an unprivileged process to control its A2DP MediaEndpoint, due to improper D-Bus security policy configurations. 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-2018-16263?: The PulseAudio system service in Tizen allows an unprivileged process to control its A2DP MediaEndpoint, due to improper D-Bus security policy configurations. This affects Tizen before 5.0 M1, and Tizen-based firmwares including Samsung Galaxy Gear series before build RE2.
How severe is CVE-2018-16263?: CVE-2018-16263 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-16263 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16263?: CVE-2018-16263 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-2018-16263?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-16263 published?: CVE-2018-16263 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:*:*:*:*:*:*:*

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