CVE-2020-16971

Azure SDK for Java Security Feature Bypass Vulnerability

7.4 HighFix available

Azure SDK for Java Security Feature Bypass Vulnerability

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

4.27%Down 0.3 points since Apr 14, 2021

What each source reports

CVE List Score used 7.4

Azure SDK for Java Security Feature Bypass Vulnerability

Azure SDK for Java Security Feature Bypass Vulnerability

Record: CVE-2020-16971
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
Updated: 2026-11-02

EUVDEUVD-2022-3213 7.4

Azure SDK for Java Security Feature Bypass Vulnerability

Record: EUVD-2022-3213
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
Updated: 2026-11-02

GitHub AdvisoriesGHSA-8q69-pw39-hpqh 7.4

Azure SDK for Java Security Feature Bypass Vulnerability

Azure SDK for Java Security Feature Bypass Vulnerability

Record: GHSA-8q69-pw39-hpqh
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-02

NVD 7.4

Azure SDK for Java Security Feature Bypass Vulnerability

Record: CVE-2020-16971
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0: 6.4 MediumAV:N/AC:L/Au:N/C:P/I:P/A:N
Updated: 2026-11-02

OSVGHSA-8q69-pw39-hpqh 7.4

Azure SDK for Java Security Feature Bypass Vulnerability

Azure SDK for Java Security Feature Bypass Vulnerability

Record: GHSA-8q69-pw39-hpqh
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`com.microsoft.azure:azure-eventhubs` Maven	before 3.2.1	3.2.1
`com.azure:azure-core-amqp` Maven	before 1.6.0	1.6.0
`com.microsoft.azure:azure-eventhubs` Maven	before 3.2.1, plus listed versions 0.10.00.11.00.12.00.13.00.13.1 Show 45 moreShow less 0.14.00.14.20.14.30.14.40.14.50.15.00.15.10.16.0-PREVIEW0.6.00.6.30.6.40.6.50.6.60.6.70.6.80.6.90.7.00.7.10.7.20.7.50.7.70.7.80.8.00.8.10.8.20.9.01.0.01.0.11.0.21.1.01.2.01.2.11.3.02.0.02.1.02.2.02.3.02.3.12.3.23.0.03.0.13.0.23.1.03.1.13.2.0	3.2.1
`com.azure:azure-core-amqp` Maven	before 1.6.0, plus listed versions 1.0.0-beta.81.0.0-preview.11.0.0-preview.21.0.0-preview.31.0.0-preview.4 Show 14 moreShow less 1.0.0-preview.51.0.0-preview.61.0.0-preview.71.0.11.0.21.1.01.1.11.1.21.2.01.3.01.4.01.5.01.5.11.6.0-beta.1	1.6.0

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-16971 is a high vulnerability (CVSS 7.4) in Microsoft Azure Sdk, published December 9, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.27%, the 91st percentile. Fixed in com.microsoft.azure:azure-eventhubs 3.2.1.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

Affected packages

History

In short

References