High severity · published May 12, 2017
CVE-2017-0248
Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings when they present a certificate that is…
7.5
CVSS
5.5%
EPSS
No
On KEV
Description
Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings when they present a certificate that is invalid for a specific use, aka ".NET Security Feature Bypass Vulnerability."
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.5% · higher than 93% 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; 3.5; 3.5.1; 4.5.2; 4.6; 4.6.1; +2 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-0248
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-0248
Third Party Advisory
http://www.securityfocus.com/bid/98117
www.securitytracker.com
http://www.securitytracker.com/id/1038458
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248
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