MEDIUM 6.5 Microsoft
CVE-2021-42305
Microsoft Exchange Server Spoofing Vulnerability
Microsoft Security Update 2021-Nov: Microsoft Exchange Server Spoofing Vulnerability
Affected Products
- Microsoft Exchange Server 2013 Cumulative Update 23
- Microsoft Exchange Server 2016 Cumulative Update 21
- Microsoft Exchange Server 2019 Cumulative Update 10
- Microsoft Exchange Server 2016 Cumulative Update 22
- Microsoft Exchange Server 2019 Cumulative Update 11
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42305
- https://nvd.nist.gov/vuln/detail/CVE-2021-42305
This medium severity vulnerability with a CVSS score of 6.5 was published on 2021-11-09 via Microsoft. EPSS score: 8.1% (top 6% of all CVEs by exploitation probability). Affected: Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Exchange Server 2016 Cumulative Update 21, Microsoft Exchange Server 2019 Cumulative Update 10 and 2 more.
vulnfeed aggregates 11672 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.