SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2010-0477

The SMB client in Microsoft Windows Server 2008 R2 and Windows 7 does not properly handle (1) SMBv1 and (2) SMBv2 response packets, which allows remote SMB servers and man-in-the-middle attackers to execute arbitrary code via a crafted packet that…

HIGH 10.0EPSS 50.2%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 50.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

The SMB client in Microsoft Windows Server 2008 R2 and Windows 7 does not properly handle (1) SMBv1 and (2) SMBv2 response packets, which allows remote SMB servers and man-in-the-middle attackers to execute arbitrary code via a crafted packet that causes the client to read the entirety of the response, and then improperly interact with the Winsock Kernel (WSK), aka "SMB Client Message Size Vulnerability."

CVSS 2.0
10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
50.19% probability · 99th percentile
CISA KEV
Not listed
Weakness
CWE-399
Affected
microsoft/windows 7 · microsoft/windows server 2008
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.