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CVE-2019-0870

20
FAUCET Score

CVE-2019-0870 describes a Cross-site Scripting (XSS) vulnerability in Microsoft Azure DevOps Server and Team Foundation Server, stemming from improper sanitization of user-provided input. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low attack complexity, requiring user interaction, and could lead to limited confidentiality and integrity impacts. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness.

Impacted Technologies

VendorProductVersion(s)CPE
2019CPE matchmatch criteria
cpe:2.3:o:microsoft:azure_devops_server:2019:*:*:*:*:*:*:*
2017CPE matchmatch criteria
cpe:2.3:a:microsoft:team_foundation_server:2017:3.1:*:*:*:*:*:*
2018CPE matchmatch criteria
cpe:2.3:a:microsoft:team_foundation_server:2018:1.2:*:*:*:*:*:*
2018CPE matchmatch criteria
cpe:2.3:a:microsoft:team_foundation_server:2018:3.2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.42%
Probability of exploitation in next 30 days
EPSS Percentile
82.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0242 is in the 92nd percentile among its peer group of 26,236 CVEs.

Social Chatter

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

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Team Foundation Server 2017 Update 3.1
View patch
microsoftpatch availablevia msrc
Product: Team Foundation Server 2018 Update 1.2
View patch
microsoftpatch availablevia msrc
Product: Team Foundation Server 2018 Update 3.2
View patch
microsoftpatch availablevia msrc
Product: Azure DevOps Server 2019
View patch

Vendor Advisories (1)

microsoft2019-Apr/CVE-2019-0870Important

Azure DevOps Server and Team Foundation Server Cross-site Scripting Vulnerability

Apr 9, 2019

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2019-0870
PatchVendor Advisory
securityfocus.com / bid/107754
Third Party AdvisoryVDB Entry