Azure DevOps Server and Team Foundation Services Spoofing Vulnerability

published 2020-12-09 5y ago modified 2026-06-17 4mo ago also EUVD-2020-9099

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits: 0; none known

Patch / fix

links 2

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Exploit prediction

1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.9	AV:N/AC:M/Au:S/C:P/I:P/A:N

Affected products

Microsoft Azure DevOps Server 2019 Update 1.1
Microsoft Azure DevOps Server 2019.0.1
Microsoft Azure DevOps Server 2020
Microsoft Team Foundation Server 2015 Update 4.2
Microsoft Team Foundation Server 2017 Update 3.1
Microsoft Team Foundation Server 2018 Update 1.2
Microsoft Team Foundation Server 2018 Update 3.2

References

msrc.microsoft.com /update-guide/vulnerability/CVE-2020-17145
vendor-advisory, patch
portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2020-17145
patch, vendor-advisory

Sources

CVE List CVE-2020-17145
NVD CVE-2020-17145

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