CVE-2021-34470

Microsoft Exchange Server Elevation of Privilege Vulnerability
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8 HIGH
ADJACENT_NETWORK
LOW
LOW
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
microsoftCNA
8 HIGH
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 89%
VendorProductVersion
microsoftexchange_server
15.0.0.0 ≤
𝑥
< 15.0.1497.23
microsoftexchange_server
15.2.0.0 ≤
𝑥
< 15.2.922.7
microsoftexchange_server
15.1.0.0 ≤
𝑥
< 15.1.2308.8
𝑥
= Vulnerable software versions
References
http://packetstormsecurity.com/files/163706/Microsoft-Exchange-AD-Schema-Misconfiguration-Privilege-Escalation.html
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34470
http://packetstormsecurity.com/files/163706/Microsoft-Exchange-AD-Schema-Misconfiguration-Privilege-Escalation.html
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34470