What is the CVSS score of CVE-2023-0621?

CVE-2023-0621 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: 0.2%.

Cscape Envision Rv CVE-2023-0621

HIGH

Out-of-bounds Read (CWE-125)

2023-03-09 ics-cert@hq.dhs.gov

RCE Buffer Overflow Information Disclosure Cscape Envision Rv

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

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 09, 2023 - 22:15 nvd

HIGH 7.8

DescriptionNVD

Cscape Envision RV version 4.60 is vulnerable to an out-of-bounds read vulnerability when parsing project (i.e. HMI) files. The product lacks proper validation of user-supplied data, which could result in reads past the end of allocated data structures. An attacker could leverage these vulnerabilities to execute arbitrary code in the context of the current process.

AnalysisAI

Cscape Envision RV version 4.60 is vulnerable to an out-of-bounds read vulnerability when parsing project (i.e. 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 Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. Cscape Envision RV version 4.60 is vulnerable to an out-of-bounds read vulnerability when parsing project (i.e. HMI) files. The product lacks proper validation of user-supplied data, which could result in reads past the end of allocated data structures. An attacker could leverage these vulnerabilities to execute arbitrary code in the context of the current process. Affected products include: Hornerautomation Cscape Envision Rv. Version information: version 4.60.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.