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CVE-2021-42321

🗓️ 10 Nov 2021 00:00:00Reported by AttackerKBType

Microsoft Exchange Server RCE Vulnerability CVE-2021-42321. Post authentication RCE bug affecting Exchange 2016 CU 21 and CU 22, and Exchange 2019 CU 10 and CU 11

Reporter	Title	Published	Views	Family All 38
Cvelist	CVE-2021-42321 Microsoft Exchange Server Remote Code Execution Vulnerability	10 Nov 202100:47	–	cvelist
Packet Storm	Microsoft Exchange Server Remote Code Execution	25 Feb 202200:00	–	packetstorm
Packet Storm	Microsoft Exchange Server ChainedSerializationBinder Remote Code Execution	22 Aug 202200:00	–	packetstorm
GithubExploit	Exploit for CVE-2021-42321	23 Nov 202102:26	–	githubexploit
GithubExploit	Exploit for CVE-2021-42321	8 Oct 202213:00	–	githubexploit
GithubExploit	Exploit for CVE-2022-23277	13 Oct 202213:35	–	githubexploit
Vulnrichment	CVE-2021-42321 Microsoft Exchange Server Remote Code Execution Vulnerability	10 Nov 202100:47	–	vulnrichment
NVD	CVE-2021-42321	10 Nov 202101:19	–	nvd
Microsoft CVE	Microsoft Exchange Server Remote Code Execution Vulnerability	9 Nov 202108:00	–	mscve
Prion	Remote code execution	10 Nov 202101:19	–	prion

Source	Link
cve	www.cve.mitre.org/cgi-bin/cvename.cgi
portal	www.portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321
packetstormsecurity	www.packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html
packetstormsecurity	www.packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html

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10 Nov 2021 00:00Current

8.8High risk

Vulners AI Score8.8

CVSS26.5

CVSS38.8

EPSS0.96225