CVE-2018-17173
CriticalExploitedPublic exploitLG SuperSign CMS allows remote attackers to execute arbitrary code via the sourceUri parameter to qsr_server/device/getThumbnail.
Published Sep 21, 2018 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2018-17173 is a critical-severity vulnerability (CVSS 9.8 v3) affecting Supersign CMS (Lg).
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Jun 6, 2019. Public exploit code is available.
- EPSS estimates a 56% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
56%
Higher than 99.0% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
LG SuperSign CMS allows remote attackers to execute arbitrary code via the sourceUri parameter to qsr_server/device/getThumbnail.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jun 6, 2019 | n/a | Not reported |
| CIRCL KEV | Nov 15, 2023 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Supersign CMSLg | 2.5 | n/a |
Timeline
Publicly disclosed
Sep 21, 2018
Added to Industry KEV feed
Jun 6, 2019
Added to CIRCL KEV
Nov 15, 2023
Last updated
Nov 21, 2024
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
- advisory45448
- exploithttp://mamaquieroserpentester.blogspot.com/2018/09/lg-supersign-rce-to-luna-and-back-to.html
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
LG SuperSign CMS allows remote attackers to execute arbitrary code via the sourceUri parameter to qsr_server/device/getThumbnail.
Affected: Supersign CMS (Lg) versions 2.5. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Jun 6, 2019.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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