CVE-2024-21410 : Microsoft Exchange Server Elevation of Privilege Vulnerability

Microsoft Exchange Server Elevation of Privilege Vulnerability

Published 2024-02-13 18:16:00

Updated 2024-11-29 15:28:11

View at NVD, CVE.org

Vulnerability category: Gain privilege

Products affected by CVE-2024-21410

Microsoft » Exchange Server » Version: 2016 Update Cumulative Update 23
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_23:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2019 Update Cumulative Update 13
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_13:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2019 Update Cumulative Update 14
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_14:*:*:*:*:*:*
Matching versions

CISA vulnerability name:

Microsoft Exchange Server Privilege Escalation Vulnerability

CISA required action:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA description:

Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation.

Notes:

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21410; https://nvd.nist.gov/vuln/detail/CVE-2024-21410

Added on 2024-02-15 Action due date 2024-03-07

EPSS FAQ

1.65%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 81 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	Microsoft Corporation	2024-02-13
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/...	N/A	N/A	MS-CVE-2024-21410	2024-02-13
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Assigned by: secure@microsoft.com (Secondary)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21410

CVE-2024-21410 - Security Update Guide - Microsoft - Microsoft Exchange Server Elevation of Privilege Vulnerability
Patch;Vendor Advisory

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