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CVE Record

CVE-2021-37535: SAP NetWeaver Application Server Java (JMS Connector Service) - versions 7.11, 7.20, 7.30, 7.31, 7.40, 7.50...

SAP NetWeaver Application Server Java (JMS Connector Service) - versions 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not perform necessary authorization checks for user privileges.

CriticalCVSS 10Not KEV-listedUpdated
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Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

SAP NetWeaver AS Java has a critical authorization-check flaw in the JMS Connector Service. A network attacker needing no prior privileges or user interaction could potentially affect confidentiality, integrity, and availability. This is business-critical for organizations running the listed SAP Java versions.

Executive priority

Treat this as urgent for any affected SAP NetWeaver AS Java environment. A CVSS 10.0 authorization flaw in enterprise SAP middleware can create material business risk, but remediation should follow SAP’s official note because source details are limited.

Technical view

CVE-2021-37535 is an authorization-check weakness in SAP NetWeaver Application Server Java JMS Connector Service. The supplied CVSS v3.0 vector is AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H, scoring 10.0. Affected versions listed are 7.11, 7.20, 7.30, 7.31, 7.40, and 7.50.

Likely exposure

Exposure is likely limited to organizations running SAP NetWeaver Application Server Java with the JMS Connector Service on the listed versions, especially where the service is reachable over a network. The provided sources do not identify specific endpoints or deployment conditions.

Exploitation context

The source bundle does not show CISA KEV listing or other cited evidence of active exploitation. The CVSS vector indicates remote, low-complexity, no-privilege exploitation potential, but the provided materials do not include exploit details or observed attacks.

Researcher notes

The available public data is high-level: missing authorization checks, affected SAP NetWeaver AS Java JMS Connector Service versions, CVSS 10.0, and SAP Note 3078609. No CWE, exploit proof, or detailed patch mechanics are present in the supplied bundle.

Mitigation direction

  • Review and apply SAP Note 3078609 where applicable.
  • Prioritize vendor-supported patching for affected SAP NetWeaver AS Java systems.
  • Restrict network access to affected SAP Java services until remediation is confirmed.
  • Remove unnecessary exposure of JMS Connector Service where business operations allow.
  • Monitor SAP logs for abnormal access or authorization-related events.

Validation and detection

  • Inventory SAP NetWeaver AS Java instances and versions.
  • Confirm whether JMS Connector Service is present and enabled.
  • Check each system against SAP Note 3078609 applicability criteria.
  • Verify installed support packages or SAP notes through SAP administrative tooling.
  • Document any exposed network paths to affected SAP Java services.
Prepared
Confidence
medium
Sources
4

Public sources used

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-2021-37535 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
Critical
CVSS
10 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

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
0Timeline events
0ADP 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
10CVSS 3.0CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H3.96Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

10Critical
CVSS 3.0 vector shape for CVE-2021-37535Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
SAP SESAP NetWeaver Application Server Java (JMS Connector Service)< 7.11, < 7.20, < 7.30, < 7.31, < 7.40, < 7.50Listed
Weakness

CWE details

No CWE listed

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