Authenticated security control bypass via undisclosed mechanism
Published Jul 11, 2023 · Updated Feb 28, 2025
Security feature bypass in Microsoft SharePoint Server 2019 and Subscription Edition allows remote authenticated users to modify protected data. Microsoft has not published the affected component, request, or validation failure that permits the bypass. A network-reachable SharePoint account is required; Microsoft reports limited integrity impact without confidentiality or availability loss.
Summary
What happened
Security feature bypass in Microsoft SharePoint Server 2019 and Subscription Edition allows remote authenticated users to modify protected data. Microsoft has not published the affected component, request, or validation failure that permits the bypass. A network-reachable SharePoint account is required; Microsoft reports limited integrity impact without confidentiality or availability loss.
The record
- CVE
- CVE-2023-33165
- Published
- Jul 11, 2023
- Updated
- Feb 28, 2025
- Vendor
- Microsoft
- Product
- Microsoft SharePoint Server 2019
- Classifications
- CWE-200
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jul 11, 2023CVE publishedPublication date reported by the CVE source.
- Feb 28, 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=16.0.0 <16.0.10400.20008
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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