How severe is CVE-2019-0971?

CVE-2019-0971 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-0971 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-0971?

CVE-2019-0971 primarily affects Microsoft Team Foundation 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-2019-0971?

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

When was CVE-2019-0971 published?

CVE-2019-0971 was published on 2019-05-16 and last updated on 2026-06-17.

CVE-2019-0971

CVE-2019-0971 is a medium-severity vulnerability in Microsoft Team Foundation Server with a CVSS 3.x base score of 6.5. 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-116.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 9.0
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-116
Affected product: Microsoft Team Foundation Server
Published: 2019-05-16
Last modified: 2026-06-17

Description

An information disclosure vulnerability exists when Azure DevOps Server and Microsoft Team Foundation Server do not properly sanitize a specially crafted authentication request to an affected server, aka 'Azure DevOps Server and Team Foundation Server Information Disclosure Vulnerability'.

Frequently asked questions

What is CVE-2019-0971?: An information disclosure vulnerability exists when Azure DevOps Server and Microsoft Team Foundation Server do not properly sanitize a specially crafted authentication request to an affected server, aka 'Azure DevOps Server and Team Foundation Server Information Disclosure Vulnerability'.
How severe is CVE-2019-0971?: CVE-2019-0971 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-0971 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0971?: CVE-2019-0971 primarily affects Microsoft Team Foundation 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-2019-0971?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-0971 published?: CVE-2019-0971 was published on 2019-05-16 and last updated on 2026-06-17.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0971

Affected products (2)

cpe:2.3:a:microsoft:team_foundation_server:2018:3.2:*:*:*:*:*:*
cpe:2.3:o:microsoft:azure_devops_server:2019:*:*:*:*:*:*:*

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