CVE-2019-12477: Supra Smart Cloud TV allows remote file inclusion in the openLiveURL function, which allows a local attacker t

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MEDIUM 5.5MITIGATE

CVE-2019-12477 is a medium-severity flaw (CVSS 5.5) affecting stv-lc40lt0020f firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Supra Smart Cloud TV allows remote file inclusion in the openLiveURL function, which allows a local attacker to broadcast fake video without any authentication via a /remote/media_control?action=setUri&uri= URI.

Why this priority

EPSS top 4%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	13.3% (top 4%)
CISA exploited list	No
Weakness	CWE-22
Published	2019-06-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: supra

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-06-07 15:29 UTCPublished CVE record published
2026-06-17 02:14 UTCUpdated Record last modified

supra stv-lc40lt0020f firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Supra Smart Cloud TV - 'openLiveURL()' Remote File Inclusion
Metasploit: Supra Smart Cloud TV Remote File Inclusion

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-12477?

stv-lc40lt0020f firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-12477 being exploited?

CVE-2019-12477 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-12477 affect?

CVE-2019-12477 affects stv-lc40lt0020f firmware. Severity is medium (CVSS 5.5). Supra Smart Cloud TV allows remote file inclusion in the openLiveURL function, which allows a local attacker to broadcast fake video without any authentication via a /remote/media_control?action=setUri&uri= URI.

How urgent is CVE-2019-12477?

Priority 48/100. EPSS top 4%: very likely to be exploited; Public exploit reference

References

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