What is the CVSS score of CVE-2021-22698?

CVE-2021-22698 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: 3.9%.

Ecostruxure Power Build Rapsody CVE-2021-22698

HIGH

Unrestricted Upload of File with Dangerous Type (CWE-434)

2021-01-26 cybersecurity@se.com

RCE Buffer Overflow File Upload Schneider Electric Ecostruxure Power Build Rapsody

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

Jan 26, 2021 - 18:16 nvd

HIGH 7.8

DescriptionNVD

A CWE-434: Unrestricted Upload of File with Dangerous Type vulnerability exists in the EcoStruxure Power Build - Rapsody software (V2.1.13 and prior) that could allow a stack-based buffer overflow to occur which could result in remote code execution when a malicious SSD file is uploaded and improperly parsed.

AnalysisAI

A CWE-434: Unrestricted Upload of File with Dangerous Type vulnerability exists in the EcoStruxure Power Build - Rapsody software (V2.1.13 and prior) that could allow a stack-based buffer overflow to. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. A CWE-434: Unrestricted Upload of File with Dangerous Type vulnerability exists in the EcoStruxure Power Build - Rapsody software (V2.1.13 and prior) that could allow a stack-based buffer overflow to occur which could result in remote code execution when a malicious SSD file is uploaded and improperly parsed. Affected products include: Schneider-Electric Ecostruxure Power Build - Rapsody.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.