Authenticated privilege escalation
Published Aug 9, 2022 · Updated Jan 2, 2025
Elevation of privilege in Microsoft Exchange Server allows remote authenticated users to gain higher privileges via network requests. Microsoft has not publicly disclosed the specific Exchange component or operation that mishandles untrusted input. The attack requires low-privilege authentication and user interaction, with potential impact to confidentiality, integrity, and availability within the server security context.
Summary
What happened
Elevation of privilege in Microsoft Exchange Server allows remote authenticated users to gain higher privileges via network requests. Microsoft has not publicly disclosed the specific Exchange component or operation that mishandles untrusted input. The attack requires low-privilege authentication and user interaction, with potential impact to confidentiality, integrity, and availability within the server security context.
The record
- CVE
- CVE-2022-24477
- Published
- Aug 9, 2022
- Updated
- Jan 2, 2025
- Vendor
- Microsoft
- Product
- Microsoft Exchange Server 2019 Cumulative Update 12
- Classifications
- T1068
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Aug 9, 2022CVE publishedPublication date reported by the CVE source.
- Jan 2, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=15.02.0 <15.02.1118.015
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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