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Fencer Vulns
critical 9.8

CVE-2018-17173 in the critical feed json

LG SuperSign CMS allows remote attackers to execute arbitrary code via the sourceUri parameter to qsr_server/device/getThumbnail.

published 2018-09-21 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-8948

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
56.5%
EPSS 56.5% chance of exploitation in 30 days, percentile 99%
public exploits
2
Exploit-DB, plus a Nuclei check

Summary

LG SuperSign CMS allows remote attackers to execute arbitrary code via the sourceUri parameter to qsr_server/device/getThumbnail.

Timeline

  1. Published
  2. First public exploit (EDB-45448)

Exploit prediction

56.51% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-46795 LG Supersign EZ CMS - Remote Code Execution (Metasploit) remote, 2019-05-06
  • EDB-45448 LG SuperSign EZ CMS 2.5 - Remote Code Execution webapps, 2018-09-24
  • Nuclei template LG Supersign EZ CMS - Remote Code Execution nuclei detection template
  • mamaquieroserpentester.blogspot.com http://mamaquieroserpentester.blogspot.com/2018/09/lg-supersign-rce-to-luna-and-back-to.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.