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CVE-2019-0604: Microsoft SharePoint Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2019-0604
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Microsoft SharePoint fails to check the source markup of an application package. An attacker who successfully exploits the vulnerability could run remote code in the context of the SharePoint application pool and the SharePoint server farm account.

CSIRTS triage

vendor: Microsoftproduct: SharePointRemote code execution
What
The product fails to check the source markup of an application package, allowing remote code execution.
Who is affected
Deployments of Microsoft SharePoint.
Urgency
Immediate remediation is necessary due to active exploitation and critical severity.
Action
Apply the latest security updates for SharePoint.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2019-0604

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2019-0604coverage & exploitation statusNVD · CVE.org

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