What is CVE-2018-16946?

CVE-2018-16946 is a high-severity vulnerability in LG Lnb5110, classified under Files or Directories Accessible to External Parties. CVSS score: 7.5/10. Published 2018-09-12.

How severe is CVE-2018-16946?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2018-16946 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in LG Lnb5110

CVE-2018-16946

LG LNB*, LND*, LNU*, and LNV* smart network camera devices have broken access control. Attackers are able to download /updownload/t.report (aka Log & Report) files and download backup files (via download.php) without authenticating. These backup files contain user credentials and configuration information for the camera device. An attacker is able to discover the backup filename via reading the system logs or report data, or just by brute-forcing the backup filename pattern. It may be possible to authenticate to the admin account with the admin password.

EPSS: 0.093 (94.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

CWE-552 — Files or Directories Accessible to External Parties

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-16946?: CVE-2018-16946 is a high-severity vulnerability in LG Lnb5110, classified under Files or Directories Accessible to External Parties. CVSS score: 7.5/10. Published 2018-09-12.
How severe is CVE-2018-16946?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-16946 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.