What is the CVSS score of CVE-2019-11890?

CVE-2019-11890 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: 4.4%.

Bravia Firmware CVE-2019-11890

HIGH

Uncontrolled Resource Consumption (CWE-400)

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 or reboot) via a SYN flood attack over a wired or Wi-Fi LAN.

AnalysisAI

Sony Bravia Smart TV devices allow remote attackers to cause a denial of service (device hang or reboot) via a SYN flood attack over a wired or Wi-Fi LAN. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. Sony Bravia Smart TV devices allow remote attackers to cause a denial of service (device hang or reboot) via a SYN flood attack over a wired or Wi-Fi LAN. Affected products include: Sony Bravia Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.