The vulnerability of Microsoft Exchange Server servers, related to the use of dangerous methods or functions, allows attackers to execute arbitrary code.

🗓️ 27 Feb 2023 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType

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A Microsoft Exchange Server vulnerability allows remote arbitrary code execution via dangerous methods or functions.

Reporter	Title	Published	Views	Family All 29
ATTACKERKB	CVE-2023-21529	14 Feb 202320:15	–	attackerkb
Information Security Automation	Microsoft Patch Tuesday June 2023: Edge type confusion, Git RCE, OneNote Spoofing, PGM RCE, Exchange RCE, SharePoint EoP	25 Jun 202300:35	–	avleonov
Information Security Automation	Microsoft Patch Tuesday February 2023: Win Graphics RCE, Edge RCE, Publisher SFB, CLFS EoP, Exchange RCEs, Word RCE, HoloLens1	26 Feb 202316:37	–	avleonov
Circl	CVE-2023-21529	22 Feb 202303:33	–	circl
CISA KEV Catalog	Microsoft Exchange Server Deserialization of Untrusted Data Vulnerability	13 Apr 202600:00	–	cisa_kev
CISA	CISA Adds Seven Known Exploited Vulnerabilities to Catalog	13 Apr 202612:00	–	cisa
CNNVD	Microsoft Exchange Server 安全漏洞	14 Feb 202300:00	–	cnnvd
CNVD	Microsoft Exchange Server Remote Code Execution Vulnerability (CNVD-2023-51372)	17 Feb 202300:00	–	cnvd
CVE	CVE-2023-21529	14 Feb 202319:33	–	cve
Cvelist	CVE-2023-21529 Microsoft Exchange Server Remote Code Execution Vulnerability	14 Feb 202319:33	–	cvelist

Source	Link
cybersecurity-help	www.cybersecurity-help.cz/vdb/SB2023021424
nvd	www.nvd.nist.gov/vuln/detail/CVE-2023-21529
msrc	www.msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21529
cisa	www.cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv
web	www.web.nvd.nist.gov/view/vuln/detail

15 Apr 2026 00:00Current

8.5High risk

Vulners AI Score8.5

CVSS 38.8

CVSS 29

EPSS0.62104

Microsoft Exchange Server remote code execution dangerous methods arbitrary code