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CVE Record

CVE-2021-33682: SAP Lumira Server version 2.4 does not sufficiently encode user controlled inputs, resulting in Cross-Site...

SAP Lumira Server version 2.4 does not sufficiently encode user controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability. This would allow an attacker with basic level privileges to store a malicious script on SAP Lumira Server. The execution of the script content, by a victim registered on SAP Lumira Server, could compromise the confidentiality and integrity of SAP Lumira content.

MediumCVSS 5.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-33682 is a stored cross-site scripting issue in SAP Lumira Server. A low-privileged authenticated attacker could save malicious script content that runs when another registered user views it, risking unauthorized access to or modification of Lumira content.

Executive priority

Treat this as a moderate-priority application security fix. It requires authentication and user interaction, but stored XSS can affect other business users and compromise trusted analytics content. Prioritize SAP guidance review for any exposed or broadly used Lumira Server instance.

Technical view

SAP Lumira Server insufficiently encodes user-controlled input, enabling stored XSS. CVSS 3.0 is 5.4 with network access, low attack complexity, low privileges required, required user interaction, changed scope, and low confidentiality and integrity impact. Availability impact is not indicated.

Likely exposure

Exposure is limited to organizations running affected SAP Lumira Server deployments with authenticated users. The bundle conflicts on affected versions: the description says version 2.4, while the affected list says versions below 2.4. Validate against SAP Note 3053403.

Exploitation context

The bundle does not cite active exploitation, and KEV is false. Exploitation requires an attacker with basic privileges and a victim registered on SAP Lumira Server to interact with stored content. Impact is content confidentiality and integrity, not server takeover per the provided evidence.

Researcher notes

Version evidence is incomplete because the provided fields disagree on whether 2.4 or versions before 2.4 are affected. Do not assume broader SAP product impact. Focus validation on stored input encoding paths and authenticated content workflows described in the CVE.

Mitigation direction

  • Review SAP Note 3053403 for the official correction or workaround.
  • Apply SAP-provided updates or mitigations for affected Lumira Server versions.
  • Restrict Lumira Server access to trusted authenticated users.
  • Review permissions for users who can create or modify Lumira content.
  • Monitor Lumira content changes for unexpected script-like input.

Validation and detection

  • Inventory SAP Lumira Server instances and record exact versions.
  • Compare installed versions with SAP Note 3053403 guidance.
  • Confirm whether public or broad internal access is enabled.
  • Review recent Lumira content changes by low-privileged users.
  • Run authenticated, non-destructive XSS validation in a test environment.
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-2021-33682 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
Medium
CVSS
5.4 (3.0)
Known Exploited
No
Published

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

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
5.4CVSS 3.0MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.4Medium
CVSS 3.0 vector shape for CVE-2021-33682Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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 Lumira Server< 2.4Listed
Weakness

CWE details

No CWE listed

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