Denial of Service Vulnerability in Microsoft Server Message Block 1.0
CVE-2017-0273

5.9MEDIUM

Key Information:

Vendor

Microsoft
Status
Server Block Message 1.0
Vendor
CVE Published:
12 May 2017

What is CVE-2017-0273?

The Microsoft Server Message Block 1.0 (SMBv1) is susceptible to a denial of service attack, which occurs when attackers send specially crafted requests to the server. This vulnerability can lead to service interruptions, making it critical for organizations to monitor their networks and apply the necessary mitigations. Security teams should ensure that SMBv1 is either secured or disabled, and review any network configurations that could be exploited by malicious entities.

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Deploy the Patch

Affected Version(s)

Server Block Message 1.0 Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016.

References

http://www.securityfocus.com/bid/98274
vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1038433
vdb-entryx_refsource_SECTRACK
https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02
x_refsource_MISC

EPSS Score

9% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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