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CVE-2021-26857
Microsoft Exchange Server Remote Code Execution Vulnerability in Unified Messaging service, which requires admin access or chaining with another vulnerability but results in RCE as SYSTEM account. Vulnerability ideally combined with an authentication bypass
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| Reporter | Title | Published | Views | Family All 199 |
|---|---|---|---|---|
 | CISA Orders Fed Agencies to Patch Exchange Servers | 4 Mar 202117:08 | – | threatpost |
| Attackers Target ProxyLogon Exploit to Install Cryptojacker | 15 Apr 202112:19 | – | threatpost |
| Microsoft Exchange Servers See ProxyLogon Patching Frenzy | 24 Mar 202118:39 | – | threatpost |
| Microsoft Exchange 0-Day Attackers Spy on U.S. Targets | 3 Mar 202115:30 | – | threatpost |
| Exchange Cyberattacks Escalate as Microsoft Rolls One-Click Fix | 16 Mar 202116:56 | – | threatpost |
| Microsoft Exchange Exploits Pave a Ransomware Path | 12 Mar 202116:26 | – | threatpost |
| Microsoft Exchange Servers Face APT Attack Tsunami | 11 Mar 202118:01 | – | threatpost |
| Microsoft Exchange 'ProxyToken' Bug Allows Email Snooping | 30 Aug 202117:31 | – | threatpost |
| Lemon Duck Cryptojacking Botnet Changes Up Tactics | 10 May 202117:37 | – | threatpost |
| FBI Clears ProxyLogon Web Shells from Hundreds of Orgs | 14 Apr 202117:31 | – | threatpost |
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8.5High risk
Vulners AI Score8.5
CVSS27.5
CVSS39.1 - 9.8
EPSS0.94374