Authenticated privilege escalation
Published Aug 9, 2022 · Updated Jan 2, 2025
Elevation of privilege in Microsoft Exchange Server 2013, 2016, and 2019 allows remote authenticated users to gain elevated access. Microsoft has not disclosed the affected component, the operation performed on untrusted input, or the request path involved. Exploitation requires low-privileged credentials and user interaction; published materials do not specify the resulting privilege level.
Summary
What happened
Elevation of privilege in Microsoft Exchange Server 2013, 2016, and 2019 allows remote authenticated users to gain elevated access. Microsoft has not disclosed the affected component, the operation performed on untrusted input, or the request path involved. Exploitation requires low-privileged credentials and user interaction; published materials do not specify the resulting privilege level.
The record
- CVE
- CVE-2022-21980
- 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?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
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.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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