CVE-2017-0248

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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."

Microsoft .NET Framework versiones 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 y 4.7, permiten a un atacante omitir las etiquetas de Enhanced Security Usage cuando presentan un certificado que no es válido para un uso específico, también se conoce como ".NET Security Feature Bypass Vulnerability."

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-09-09 CVE Reserved
2017-05-12 CVE Published
2019-01-29 First Exploit
2024-08-05 CVE Updated
2024-08-13 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-295: Improper Certificate Validation

CAPEC

References (4)

URL	Tag	Source
http://www.securityfocus.com/bid/98117	Third Party Advisory
http://www.securitytracker.com/id/1038458	Vdb Entry

URL	Date	SRC
https://github.com/rubenmamo/CVE-2017-0248-Test	2019-01-29

URL	Date	SRC
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248	2019-10-03

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Microsoft Search vendor "Microsoft"		.net Framework Search vendor "Microsoft" for product ".net Framework"				2.0 Search vendor "Microsoft" for product ".net Framework" and version "2.0"		sp2		Affected
Microsoft Search vendor "Microsoft"		.net Framework Search vendor "Microsoft" for product ".net Framework"				3.5 Search vendor "Microsoft" for product ".net Framework" and version "3.5"		-		Affected
Microsoft Search vendor "Microsoft"		.net Framework Search vendor "Microsoft" for product ".net Framework"				3.5.1 Search vendor "Microsoft" for product ".net Framework" and version "3.5.1"		-		Affected
Microsoft Search vendor "Microsoft"		.net Framework Search vendor "Microsoft" for product ".net Framework"				4.5.2 Search vendor "Microsoft" for product ".net Framework" and version "4.5.2"		-		Affected
Microsoft Search vendor "Microsoft"		.net Framework Search vendor "Microsoft" for product ".net Framework"				4.6 Search vendor "Microsoft" for product ".net Framework" and version "4.6"		-		Affected
Microsoft Search vendor "Microsoft"		.net Framework Search vendor "Microsoft" for product ".net Framework"				4.6.1 Search vendor "Microsoft" for product ".net Framework" and version "4.6.1"		-		Affected
Microsoft Search vendor "Microsoft"		.net Framework Search vendor "Microsoft" for product ".net Framework"				4.6.2 Search vendor "Microsoft" for product ".net Framework" and version "4.6.2"		-		Affected
Microsoft Search vendor "Microsoft"		.net Framework Search vendor "Microsoft" for product ".net Framework"				4.7 Search vendor "Microsoft" for product ".net Framework" and version "4.7"		-		Affected