What is the CVSS score of CVE-2021-22705?

CVE-2021-22705 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Is there a patch available for CVE-2021-22705?

Yes, a patch is available for CVE-2021-22705. Update the affected software to the latest version immediately.

Ecostruxure Machine Expert CVE-2021-22705

HIGH

Buffer Overflow (CWE-119)

2021-05-26 cybersecurity@se.com

Authentication Bypass Buffer Overflow Denial Of Service Schneider Electric Ecostruxure Machine Expert Vijeo Designer

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:L/UI:N/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

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 26, 2021 - 20:15 nvd

HIGH 7.8

DescriptionNVD

AnalysisAI

Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause denial of service or unauthorized access to system information when interacting directly. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause denial of service or unauthorized access to system information when interacting directly with a driver installed by Vijeo Designer or EcoStruxure Machine Expert Affected products include: Schneider-Electric Vijeo Designer, Schneider-Electric Ecostruxure Machine Expert.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.