Authenticated privilege escalation via unsanitized authentication request
Published Jun 9, 2020 · Updated Aug 4, 2024
Improper request sanitization in Microsoft SharePoint Server allows remote authenticated users to elevate privileges via an authentication request. Microsoft states only that SharePoint fails to sanitize a specially crafted authentication request and has not disclosed the affected handler, field, or exact unsafe operation. A low-privileged account and network access are required; successful exploitation grants elevated SharePoint privileges, but the resulting role and permitted actions are undisclosed.
Summary
What happened
Improper request sanitization in Microsoft SharePoint Server allows remote authenticated users to elevate privileges via an authentication request. Microsoft states only that SharePoint fails to sanitize a specially crafted authentication request and has not disclosed the affected handler, field, or exact unsafe operation. A low-privileged account and network access are required; successful exploitation grants elevated SharePoint privileges, but the resulting role and permitted actions are undisclosed.
The record
- CVE
- CVE-2020-1178
- Published
- Jun 9, 2020
- Updated
- Aug 4, 2024
- Vendor
- Microsoft
- Product
- Microsoft SharePoint Server
- Classifications
- T1068
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jun 9, 2020CVE publishedPublication date reported by the CVE source.
- Aug 4, 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?
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- Affected versionversion=2010 Service Pack 2
- Affected versionversion=2019
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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