Critical severity · published Apr 29, 2020
CVE-2020-12471
MonoX through 5.1.40.5152 allows remote code execution via HTML5Upload.ashx or Pages/SocialNetworking/lng/en-US/PhotoGallery.aspx because of deserialization in…
9.8
CVSS
2.8%
EPSS
No
On KEV
Description
MonoX through 5.1.40.5152 allows remote code execution via HTML5Upload.ashx or Pages/SocialNetworking/lng/en-US/PhotoGallery.aspx because of deserialization in ModuleGallery.HTML5Upload, ModuleGallery.SilverLightUploadModule, HTML5Upload, and SilverLightUploadHandler.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Monox · Mono
through 5.1.40.5152 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-12471
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-12471
Exploit
https://github.com/belong2yourself/vulnerabilities/tree/master/MonoX%20CMS/Remote%20Code%20Execution%20via%20Insecure%20Deserialization
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