Authenticated spoofing requiring user interaction
Published Jan 12, 2021 · Updated Oct 8, 2024
Spoofing in Microsoft SharePoint Foundation 2013 SP1 and SharePoint Server 2016 and 2019 allows remote authenticated users to deceive users. Microsoft has not published the affected component, crafted input, or incorrect operation that causes the spoofed presentation. Exploitation requires a low-privileged SharePoint account and interaction by another user; the published assessment reports no service interruption.
Summary
What happened
Spoofing in Microsoft SharePoint Foundation 2013 SP1 and SharePoint Server 2016 and 2019 allows remote authenticated users to deceive users. Microsoft has not published the affected component, crafted input, or incorrect operation that causes the spoofed presentation. Exploitation requires a low-privileged SharePoint account and interaction by another user; the published assessment reports no service interruption.
The record
- CVE
- CVE-2021-1717
- Published
- Jan 12, 2021
- Updated
- Oct 8, 2024
- Vendor
- Microsoft
- Product
- Microsoft SharePoint Foundation 2013
- Classifications
- Unavailable
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jan 12, 2021CVE publishedPublication date reported by the CVE source.
- Oct 8, 2024Record 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=15.0.0 <publication
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
No sourced classifications are available.
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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