Name: CVE-2021-26857: Deserialization of Untrusted Data
Creator: Rapid7
Published: 2021-03-03T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-26857, CWE-502, Exploited in the Wild, CISA KEV Exploit, Rapid7 Critical, Used with Ransomware, CVSS 7.8, EPSS 0.95762, CISA KEV

Microsoft Exchange Server Remote Code Execution Vulnerability

CVSS Details

CVSS 3.1 Base Score: 7.8
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Microsoft Exchange	—	Download and install Microsoft KB5000871	Aug 10, 2023	Mar 3, 2021
Msft	—	Update Rollup 32 for Exchange Server 2010 Service Pack 3 (KB5000978)Security Update For Exchange Server 2013 CU21 (KB5000871)Security Update For Exchange Server 2013 SP1 (KB5000871)Security Update For Exchange Server 2013 CU22 (KB5000871)Security Update For Exchange Server 2013 CU23 (KB5000871)	Mar 2, 2021	Mar 2, 2021

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CVSS Details

Covered by Rapid7

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