CVE-2020-0646
Last modified
CVE-2020-0646 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'.. CISA has confirmed active exploitation in the wild. EPSS estimates a 99.19% chance of exploitation in the next 30 days.
Description
A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | .Net Framework | 3.0 | Sp2 |
| Microsoft | .Net Framework | 3.5 | — |
| Microsoft | .Net Framework | 4.6.2 | — |
| Microsoft | .Net Framework | 4.7 | — |
| Microsoft | .Net Framework | 4.7.1 | — |
| Microsoft | .Net Framework | 4.7.2 | — |
| Microsoft | .Net Framework | 4.8 | — |
| Microsoft | .Net Framework | 3.5.1 | — |
| Microsoft | .Net Framework | 4.5.2 | — |
| Microsoft | .Net Framework | 4.6 | — |
| Microsoft | .Net Framework | 4.6.1 | — |
References
- http://packetstormsecurity.com/files/156930/SharePoint-Workflows-XOML-Injection.htmlExploit, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0646Patch, Vendor Advisory
- http://packetstormsecurity.com/files/156930/SharePoint-Workflows-XOML-Injection.htmlExploit, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0646Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0646US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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