CVE-2020-1181
CVE-2020-1181 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 69% places it in the 99th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 69% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Sharepoint Enterprise Server
- Published:
- Last modified:
Description
A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls, aka 'Microsoft SharePoint Server Remote Code Execution Vulnerability'.
Frequently asked questions
- What is CVE-2020-1181?
- A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls, aka 'Microsoft SharePoint Server Remote Code Execution Vulnerability'.
- How severe is CVE-2020-1181?
- CVE-2020-1181 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-1181 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 69% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-1181?
- CVE-2020-1181 primarily affects Microsoft Sharepoint Enterprise Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-1181?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-1181 published?
- CVE-2020-1181 was published on 2020-06-09 and last updated on 2026-06-17.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1181
- https://www.zerodayinitiative.com/advisories/ZDI-20-694/
Affected products (4)
- cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_foundation:2010:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
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