What is the CVSS score of CVE-2021-35522?

CVE-2021-35522 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 3.7%.

Is there a patch available for CVE-2021-35522?

Yes, a patch is available for CVE-2021-35522. Update the affected software to the latest version immediately.

Morphowave Compact Mdpi Firmware CVE-2021-35522

CRITICAL

Out-of-bounds Write (CWE-787)

2021-07-22 cve@mitre.org

Buffer Overflow RCE Memory Corruption Information Disclosure Morphowave Compact Mdpi Firmware Morphowave Compact Mdpi M Firmware Visionpass Mdpi Firmware Visionpass Mdpi M Firmware Visionpass Md Firmware Morphowave Compact Md Firmware Sigma Lite Firmware Sigma Wide Firmware Sigma Extreme Firmware Ma Vp Md Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 22, 2021 - 12:15 nvd

CRITICAL 9.8

DescriptionNVD

AnalysisAI

A Buffer Overflow in Thrift command handlers in IDEMIA Morpho Wave Compact and VisionPass devices before 2.6.2, Sigma devices before 4.9.4, and MA VP MD devices before 4.9.7 allows remote attackers. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.

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. A Buffer Overflow in Thrift command handlers in IDEMIA Morpho Wave Compact and VisionPass devices before 2.6.2, Sigma devices before 4.9.4, and MA VP MD devices before 4.9.7 allows remote attackers to achieve code execution, denial of services, and information disclosure via TCP/IP packets. Affected products include: Idemia Morphowave Compact Mdpi Firmware, Idemia Morphowave Compact Mdpi-M Firmware, Idemia Visionpass Mdpi Firmware, Idemia Visionpass Mdpi-M Firmware, Idemia Visionpass Md Firmware. Version information: before 2.6.2.

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).