Vulnerability · CVE-2018-8580
Microsoft SharePoint Exposure of Sensitive Information to an Unauthorized Actor
Published Jan 21, 2021 · corrected/updated Jan 21, 2021 · Microsoft SharePoint · evidence confidence very high
An information disclosure vulnerability exists where certain modes of the search function in Microsoft SharePoint Server are vulnerable to cross-site search attacks (a variant of cross-site request forgery, CSRF), aka "Microsoft SharePoint Information Disclosure Vulnerability." This affects Microsoft SharePoint.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2018-8580 is a unknown public vulnerability record for Microsoft SharePoint. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether Microsoft SharePoint is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: Microsoft SharePoint. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: no CVSS/EPSS yet. CISA lists it as known exploited. Sources contributing to this record: cve_org, vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Confirmed in CISA KEV since Jan 21, 2021. Listed in CISA KEV and VulnCheck KEV.
Patch and remediation
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jan 21, 2021 · VulnCheck KEV
Detected
An information disclosure vulnerability exists where certain modes of the search function in Microsoft SharePoint Server are vulnerable to cross-site search attacks (a variant of cross-site request forgery, CSRF), aka "Microsoft SharePoint Information Disclosure Vulnerability." This affects Microsoft SharePoint.
Jan 21, 2021 · CISA KEV
Known exploited
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected
- vendor Microsoft SharePointversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2018-8580
Official CVE identifier
cve.org - VulnCheck KEVConfirmed exploitationCVE-2018-8580
An information disclosure vulnerability exists where certain modes of the search function in Microsoft SharePoint Server are vulnerable to cross-site search attacks (a variant of cross-site request forgery, CSRF), aka "Microsoft SharePoint Information Disclosure Vulnerability." T
vulncheck.com