High severity · published Jul 9, 2019
CVE-2019-11889
Sony BRAVIA Smart TV devices allow remote attackers to cause a denial of service (device hang) via a crafted web page over HbbTV
7.5
CVSS
3.5%
EPSS
No
On KEV
Description
Sony BRAVIA Smart TV devices allow remote attackers to cause a denial of service (device hang) via a crafted web page over HbbTV.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.5% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BF
Bravia Firmware · Sony
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-11889
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-11889
Third Party Advisory
http://packetstormsecurity.com/files/153547/Sony-BRAVIA-Smart-TV-Denial-Of-Service.html
Mailing List
http://seclists.org/fulldisclosure/2019/Jul/8
Third Party Advisory
https://www.darkmatter.ae/xen1thlabs/sony-remote-denial-of-service-triggered-over-vulnerability-hbbtv-xl-19-014/
Third Party Advisory
https://www.first.org/members/teams/sony_psirt
More from Bravia Firmware
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CVE-2019-11890
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