CVE-2023-38180

Microsoft .NET Core and Visual Studio: Denial-of-Service

As of , CVE-2023-38180 in Microsoft .NET Core and Visual Studio is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 9 August 2023
US federal deadline
30 August 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.14Higher than 96% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.00 on 9 August 2023EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: msrc.microsoft.comLinks below, from CISA's entry.

What CISA says to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA's required action

What the flaw is

Microsoft .NET Core and Visual Studio contain an unspecified vulnerability that allows for denial-of-service (DoS).

CISA's description

.NET and Visual Studio Denial of Service Vulnerability

The CVE record's description, from microsoft

CVE published
8 August 2023
Assigned by
microsoft
CVSS
7.5 High (CVSS 3.1, from the CNA)
CWE-400
Uncontrolled Resource Consumption
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
partial

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

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