Product by Microsoft
Microsoft Exchange Server 2013 Cumulative Update 21
4 known vulnerabilities in Microsoft Exchange Server 2013 Cumulative Update 21 (Microsoft), 4 of them actively exploited (CISA KEV).
Key figures
4
Vulnerabilities
4
Actively exploited (KEV)
4
Used by ransomware
4
Critical
Vulnerabilities
Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.
| Critical | CVE-2021-26855 | Microsoft Exchange Server Remote Code Execution Vulnerability In CISA KEVRansomwarealso in 24 other products | 9.1 | |
| Critical | CVE-2021-27065 | Microsoft Exchange Server Remote Code Execution Vulnerability In CISA KEVRansomwarealso in 24 other products | 7.8 | |
| Critical | CVE-2021-26857 | Microsoft Exchange Server Remote Code Execution Vulnerability In CISA KEVRansomwarealso in 24 other products | 7.8 | |
| Critical | CVE-2021-26858 | Microsoft Exchange Server Remote Code Execution Vulnerability In CISA KEVRansomwarealso in 24 other products | 7.8 |