CVE-2023-21538

.NET Denial of Service Vulnerability.

CVSS v3.0 7.5 HIGH

7.5^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21538	Patch Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GV5QDWYJ4C26JB7RTI55Z4O76WSH4FMV/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZI27LYW5C4Z4644WYIQWOXBZL7WIP2X6/	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:.net:6.0.0:-::::::
	cpe:2.3:a:microsoft:powershell:7.2:::::::*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:36:::::::*
	cpe:2.3:o:fedoraproject:fedora:37:::::::*

Information

Published : 2023-01-10 14:15

Updated : 2023-01-30 08:32

NVD link : CVE-2023-21538

Mitre link : CVE-2023-21538

JSON object : View

CWE

NVD-CWE-noinfo

Products Affected

fedoraproject

fedora

microsoft

.net
powershell

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21538", "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21538", "tags": ["Patch", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GV5QDWYJ4C26JB7RTI55Z4O76WSH4FMV/", "name": "FEDORA-2023-f9368f7fea", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FEDORA"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZI27LYW5C4Z4644WYIQWOXBZL7WIP2X6/", "name": "FEDORA-2023-4d5f7e5cb0", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FEDORA"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": ".NET Denial of Service Vulnerability."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2023-21538", "ASSIGNER": "secure@microsoft.com"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2023-01-10T22:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:microsoft:.net:6.0.0:-:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:microsoft:powershell:7.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-01-30T16:32Z"}

7.5 /10