How severe is CVE-2019-0670?

CVE-2019-0670 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-0670 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-0670?

CVE-2019-0670 primarily affects Microsoft Sharepoint Enterprise Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-0670?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-0670 published?

CVE-2019-0670 was published on 2019-03-05 and last updated on 2026-06-17.

CVE-2019-0670

CVE-2019-0670 is a medium-severity vulnerability in Microsoft Sharepoint Enterprise Server with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 5.8
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Microsoft Sharepoint Enterprise Server
Published: 2019-03-05
Last modified: 2026-06-17

Description

A spoofing vulnerability exists in Microsoft SharePoint when the application does not properly parse HTTP content, aka 'Microsoft SharePoint Spoofing Vulnerability'.

Frequently asked questions

What is CVE-2019-0670?: A spoofing vulnerability exists in Microsoft SharePoint when the application does not properly parse HTTP content, aka 'Microsoft SharePoint Spoofing Vulnerability'.
How severe is CVE-2019-0670?: CVE-2019-0670 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-0670 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0670?: CVE-2019-0670 primarily affects Microsoft Sharepoint Enterprise Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-0670?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-0670 published?: CVE-2019-0670 was published on 2019-03-05 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*

More vulnerabilities in Microsoft Sharepoint Enterprise Server

CVE-2020-1595 — Critical (CVSS 9.9): <p>A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from…
CVE-2020-1210 — Critical (CVSS 9.9): <p>A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source…
CVE-2023-21716 — Critical (CVSS 9.8): Microsoft Word Remote Code Execution Vulnerability
CVE-2020-1025 — Critical (CVSS 9.8): An elevation of privilege vulnerability exists when Microsoft SharePoint Server and Skype for Business Server…
CVE-2019-0604 — Critical (CVSS 9.8): A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup…
CVE-2025-47172 — High (CVSS 8.8): Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint…

All CVEs affecting Microsoft Sharepoint Enterprise Server →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →