Azure SDK for Java Security Feature Bypass Vulnerability

published 2020-12-09 5y ago modified 2026-09-10 last mo. also GHSA-8q69-pw39-hpqh , EUVD-2022-3213

cvss: 9.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 4.3%; EPSS 4.3% chance of exploitation in 30 days, percentile 91%
public exploits: 0; none known

Patch / fix

fixed in 3 links 1

maven com.microsoft.azure:azure-eventhubs 3.2.1
maven com.azure:azure-core-amqp 1.6.0
Microsoft Azure SDK 1.6.0

msrc.microsoft.com/update-guide/vulnerability/CVE-2020-16971 advisory

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Exploit prediction

4.27% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.4	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
CNA	3.1	7.4	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD	2.0	6.4	AV:N/AC:L/Au:N/C:P/I:P/A:N
GitHub	3.1	7.4	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	com.microsoft.azure:azure-eventhubs	<3.2.1	3.2.1
maven	com.azure:azure-core-amqp	<1.6.0	1.6.0

Affected products

Microsoft Azure SDK
Microsoft Azure SDK for Java

References

msrc.microsoft.com /update-guide/vulnerability/CVE-2020-16971
vendor-advisory, patch, web
portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2020-16971
web
nvd.nist.gov /vuln/detail/CVE-2020-16971
advisory
azure.github.io /azure-sdk/releases/2020-10/index.html
web
azure.github.io /azure-sdk/releases/2020-10/java.html
web

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.