What is the CVSS score of CVE-2021-21454?

CVE-2021-21454 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.2%.

3D Visual Enterprise Viewer CVE-2021-21454

HIGH

Out-of-bounds Write (CWE-787)

2021-01-12 cna@sap.com

Buffer Overflow Memory Corruption SAP 3D Visual Enterprise Viewer

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jan 12, 2021 - 15:15 nvd

HIGH 8.8

DescriptionNVD

SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated RLE 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.

AnalysisAI

SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated RLE file received from untrusted sources which results in crashing of the application and becoming temporarily. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated RLE 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. Affected products include: Sap 3D Visual Enterprise Viewer.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).