High severity · published Jan 11, 2022
CVE-2022-21911
.NET Framework Denial of Service Vulnerability
7.5
CVSS
3.1%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.1% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NF
.net Framework · Microsoft
3.5; 4.7.2; 3.5; 4.6.2; 4.7; 4.7.1; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-21911
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-21911
msrc.microsoft.com
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21911
portal.msrc.microsoft.com
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21911
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