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CVE Record

CVE-2020-16971: Azure SDK for Java Security Feature Bypass Vulnerability

Azure SDK for Java Security Feature Bypass Vulnerability

HighCVSS 7.4Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This is a high-severity Microsoft Azure SDK for Java security feature bypass. The public bundle indicates potential confidentiality and integrity impact, but availability impact is not listed. Executive concern is highest where Java applications depend on the affected Azure SDK version.

Executive priority

Prioritize as high for teams running Java services with Azure SDK dependencies, especially where sensitive data or privileged cloud operations are involved. Urgency is reduced if inventory confirms the affected SDK version is absent.

Technical view

CVE-2020-16971 is listed as a network-reachable security feature bypass in Azure SDK for Java. CVSS 3.1 is 7.4 with high attack complexity, no privileges, no user interaction, and high confidentiality and integrity impact. The bundle lists version 1.0.0 as affected.

Likely exposure

Exposure is most likely in Java applications, services, or build artifacts that include Microsoft Azure SDK or Azure SDK for Java version 1.0.0. The provided sources do not identify other affected versions, packages, or cloud resources.

Exploitation context

The bundle does not show CISA KEV listing or active exploitation evidence. CVSS marks exploit code maturity as unproven. Treat exploitation status as unknown beyond the official high-severity rating and Microsoft patch reference.

Researcher notes

Public evidence is sparse: no CWE is listed, affected version detail is limited, and the description is generic. Use MSRC as the authoritative remediation source and avoid assuming exploitability details not present in the bundle.

Mitigation direction

  • Check the MSRC advisory for the vendor-provided update or guidance.
  • Inventory Java dependency manifests for Azure SDK for Java version 1.0.0.
  • Prioritize remediation for internet-facing or sensitive-data Java services.
  • Avoid inventing compensating controls; follow Microsoft guidance where available.

Validation and detection

  • Search application dependency manifests for Microsoft Azure SDK version 1.0.0.
  • Confirm deployed artifacts use the remediated dependency set.
  • Run dependency scanning and verify CVE-2020-16971 is no longer reported.
  • Record systems where the affected SDK is absent or unused.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2020-16971 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.4 (3.1)
Known Exploited
No
Published

Vector: 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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
3Timeline events
1ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.4CVSS 3.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C2.25.2microsoft

Vulnerability scoring details

Base CVSS 3.1 score

7.4High
CVSS 3.1 vector shape for CVE-2020-16971Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: 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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CVECVE Program Container

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
MicrosoftAzure SDK1.0.0Listed
MicrosoftAzure SDK for Java1.0.0Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.