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CVE-2019-0949

20
FAUCET Score

CVE-2019-0949 is a spoofing vulnerability affecting Microsoft SharePoint Server and SharePoint Foundation, stemming from improper sanitization of specially crafted web requests. This medium-severity flaw (CVSS 5.7) can be exploited with low attack complexity over a network, requiring user interaction and low privileges, leading to high integrity impact without affecting confidentiality or availability. While no public exploit code or active exploitation has been observed, the vulnerability has received some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2013CPE matchmatch criteria
cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*
2016CPE matchmatch criteria
cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.7MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.39%
Probability of exploitation in next 30 days
EPSS Percentile
82.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0239 is in the 98th percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft SharePoint Enterprise Server 2016
View patch
microsoftpatch availablevia msrc
Product: Microsoft SharePoint Foundation 2013 Service Pack 1
View patch

Vendor Advisories (1)

microsoft2019-May/CVE-2019-0949Important

Microsoft SharePoint Spoofing Vulnerability

May 14, 2019

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2019-0949
PatchVendor Advisory