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CVE Record

CVE-2021-27642: 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

A manipulated PCX image can crash SAP 3D Visual Enterprise Viewer when a user opens it. The described impact is temporary application unavailability until restart, with no stated confidentiality or integrity impact. Business urgency is mainly for teams that handle untrusted visual files.

Executive priority

Treat this as a moderate workstation availability issue. Prioritize remediation where affected users handle external engineering, product, or visualization files, but it is not presented as data compromise or active exploitation.

Technical view

The CVE describes improper input validation in SAP 3D Visual Enterprise Viewer. The CVSS 3.0 vector is AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L, meaning exploitation requires user interaction and affects availability only. The affected version data in the bundle is inconsistent, so confirm against SAP Note 3059999.

Likely exposure

Exposure is most likely on workstations where SAP 3D Visual Enterprise Viewer is installed and users open PCX files from external or untrusted sources. Server-side exposure is not indicated by the supplied sources.

Exploitation context

The source bundle does not report active exploitation, and this CVE is not listed as KEV. The described scenario is a malicious PCX file opened by a user, causing the viewer to crash until restarted.

Researcher notes

The public CVE data identifies PCX file handling and improper input validation, but does not include root-cause detail, proof of concept, or patch specifics. The version wording differs between the description and affected field, so SAP guidance should be authoritative.

Mitigation direction

  • Review SAP Note 3059999 for vendor-confirmed affected versions and fixes.
  • Update SAP 3D Visual Enterprise Viewer according to SAP guidance.
  • Restrict opening PCX files from untrusted sources until remediated.
  • Use email and endpoint controls to reduce delivery of suspicious PCX files.

Validation and detection

  • Inventory endpoints with SAP 3D Visual Enterprise Viewer installed.
  • Confirm installed versions against SAP Note 3059999.
  • Check whether users handle PCX files from external sources.
  • Verify endpoint controls inspect or block suspicious PCX attachments.
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-2021-27642 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-2021-27642Attack 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.