What is the CVSS score of CVE-2021-31784?

CVE-2021-31784 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.9%.

Is there a patch available for CVE-2021-31784?

Yes, a patch is available for CVE-2021-31784. Update the affected software to the latest version immediately.

Comos CVE-2021-31784

HIGH

Out-of-bounds Write (CWE-787)

2021-04-26 cve@mitre.org

RCE Buffer Overflow Denial Of Service Memory Corruption Siemens Comos Drawings Sdk Opendesign

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Apr 26, 2021 - 19:15 nvd

HIGH 7.8

DescriptionNVD

An out-of-bounds write vulnerability exists in the file-reading procedure in Open Design Alliance Drawings SDK before 2021.6 on all supported by ODA platforms in static configuration. This can allow attackers to cause a crash, potentially enabling a denial of service attack (Crash, Exit, or Restart) or possible code execution.

AnalysisAI

An out-of-bounds write vulnerability exists in the file-reading procedure in Open Design Alliance Drawings SDK before 2021.6 on all supported by ODA platforms in static configuration. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

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. An out-of-bounds write vulnerability exists in the file-reading procedure in Open Design Alliance Drawings SDK before 2021.6 on all supported by ODA platforms in static configuration. This can allow attackers to cause a crash, potentially enabling a denial of service attack (Crash, Exit, or Restart) or possible code execution. Affected products include: Opendesign Drawings Sdk, Siemens Comos. Version information: before 2021.6.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).