What is the CVSS score of CVE-2019-11889?

CVE-2019-11889 has a CVSS 3.0 base score of 7.5 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 3.5%.

Bravia Firmware CVE-2019-11889

HIGH

2019-07-09 cve@mitre.org

Denial Of Service Bravia Firmware

7.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Jul 09, 2019 - 13:15 nvd

HIGH 7.5

DescriptionNVD

Sony BRAVIA Smart TV devices allow remote attackers to cause a denial of service (device hang) via a crafted web page over HbbTV.

AnalysisAI

Sony BRAVIA Smart TV devices allow remote attackers to cause a denial of service (device hang) via a crafted web page over HbbTV. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

Sony BRAVIA Smart TV devices allow remote attackers to cause a denial of service (device hang) via a crafted web page over HbbTV. Affected products include: Sony Bravia Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.