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CVE Record

CVE-2021-33661: SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated PCX file received from untr...

SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated PCX file received from untrusted sources which results in crashing of the application and becoming temporarily unavailable until the user restarts the application, this is caused due to Improper Input Validation.

MediumCVSS 4.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This issue can make SAP 3D Visual Enterprise Viewer temporarily unavailable when a user opens a maliciously crafted PCX file from an untrusted source. The reported impact is application crash and restart, not data theft or system takeover.

Executive priority

Handle this through normal vulnerability management, prioritizing teams that process external design or engineering files. Business risk is disruption to affected users, not broad compromise based on available evidence.

Technical view

CVE-2021-33661 is an improper input validation flaw in SAP 3D Visual Enterprise Viewer. The provided record lists SAP 3D Visual Enterprise Viewer versions before 9 as affected, with CVSS 3.0 score 4.3 and availability-only impact requiring user interaction.

Likely exposure

Exposure is likely limited to organizations with SAP 3D Visual Enterprise Viewer installed and workflows that handle PCX files or untrusted visual assets.

Exploitation context

The bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires a user to open a manipulated PCX file, and the documented outcome is application crash until restart.

Researcher notes

The source bundle is sparse and lists no CWE entry. The affected-version wording differs between title and affected metadata, so confirm exact applicability through SAP Note 3059999 before scoping remediation.

Mitigation direction

  • Review SAP Note 3059999 and the SAP security page for vendor guidance.
  • Inventory SAP 3D Visual Enterprise Viewer installations and confirm affected versions.
  • Apply SAP-provided updates or workarounds if the installed version is in scope.
  • Limit opening PCX files from untrusted sources until remediation is confirmed.
  • Educate users handling visual assets to treat unexpected files as unsafe.

Validation and detection

  • Check installed SAP 3D Visual Enterprise Viewer versions against the CVE record.
  • Confirm whether SAP Note 3059999 applies to each installation.
  • Verify users do not routinely open PCX files from untrusted sources.
  • Review endpoint or helpdesk records for repeated Viewer crashes after PCX handling.
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-2021-33661 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
4.3 (3.0)
Known Exploited
No
Published

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

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
4.3CVSS 3.0MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

4.3Medium
CVSS 3.0 vector shape for CVE-2021-33661Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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 3D Visual Enterprise Viewer< 9Listed
Weakness

CWE details

No CWE listed

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