Critical severity · published Sep 13, 2018
CVE-2018-8421
A remote code execution vulnerability exists when Microsoft .NET Framework processes untrusted input, aka ".NET Framework Remote Code Execution Vulnerability." This affects…
9.8
CVSS
29.1%
EPSS
No
On KEV
Description
A remote code execution vulnerability exists when Microsoft .NET Framework processes untrusted input, aka ".NET Framework Remote Code Execution Vulnerability." This affects Microsoft .NET Framework 4.6, Microsoft .NET Framework 3.5, Microsoft .NET Framework 4.7/4.7.1/4.7.2, Microsoft .NET Framework 3.0, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2, Microsoft .NET Framework 4.7.1/4.7.2, Microsoft .NET Framework 4.7.2, Microsoft .NET Framework 2.0.
CVSS vector
CVSS:3.0/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)29.1% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NF
.net Framework · Microsoft
2.0; 3.0; 3.5; 3.5.1; 4.5.2; 4.5.2; +17 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-8421
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-8421
Third Party Advisory
http://www.securityfocus.com/bid/105222
Third Party Advisory
http://www.securitytracker.com/id/1041636
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8421
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