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 ModuleGallery.HTML5Upload, ModuleGallery.SilverLightUploadModule, HTML5Upload, and…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.76%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.76% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- mono/monox
- Source
- cve@mitre.org
References
- https://github.com/belong2yourself/vulnerabilities/tree/master/MonoX%20CMS/Remote%20Code%20Execution%20via%20Insecure%20DeserializationExploit, Third Party Advisory
- https://github.com/belong2yourself/vulnerabilities/tree/master/MonoX%20CMS/Remote%20Code%20Execution%20via%20Insecure%20DeserializationExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.