CVE-2018-11686
CriticalExploitedPublic exploitThe Publish Service in FlexPaper (later renamed FlowPaper) 2.3.6 allows remote code execution via setup.php and change_config.php.
Published Jul 3, 2019 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2018-11686 is a critical-severity vulnerability (CVSS 9.8 v3) affecting Flexpaper (Flowpaper).
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 18, 2023. Public exploit code is available.
- EPSS estimates a 53% probability of exploitation in the next 30 days.
- Fixed versions are available, including Flexpaper <=2.3.6, Flexpaper 2.3.6.
- 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)
53%
Higher than 98.9% 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
The Publish Service in FlexPaper (later renamed FlowPaper) 2.3.6 allows remote code execution via setup.php and change_config.php.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Nov 14, 2023 | n/a | Not reported |
| CIRCL KEV | Oct 18, 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 |
|---|---|---|
| FlexpaperFlowpaper | See advisory | 2.3.6 |
Patched Releases
Flexpaper
<=2.3.6
Timeline
Publicly disclosed
Jul 3, 2019
Added to CIRCL KEV
Oct 18, 2023
Added to Industry KEV feed
Nov 14, 2023
Last updated
Nov 21, 2024
Weakness Type
- CWE-20 Improper Input Validation
References
- advisoryhttps://flowpaper.com/blog/
- patchhttps://redtimmysec.wordpress.com/2019/03/07/flexpaper-remote-code-execution
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
The Publish Service in FlexPaper (later renamed FlowPaper) 2.3.6 allows remote code execution via setup.php and change_config.php.
Affected: Flexpaper (Flowpaper). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 18, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Flexpaper <=2.3.6, Flexpaper 2.3.6.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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