What is the CVSS score of CVE-2020-12499?

CVE-2020-12499 has a CVSS 3.1 base score of 7.3 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

Plcnext Engineer CVE-2020-12499

HIGH

Path Traversal (CWE-22)

2020-07-21 info@cert.vde.com

Path Traversal Plcnext Engineer

7.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.3 HIGH

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 21, 2020 - 15:15 nvd

HIGH 7.3

DescriptionNVD

In PHOENIX CONTACT PLCnext Engineer version 2020.3.1 and earlier an improper path sanitation vulnerability exists on import of project files.

AnalysisAI

In PHOENIX CONTACT PLCnext Engineer version 2020.3.1 and earlier an improper path sanitation vulnerability exists on import of project files. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. In PHOENIX CONTACT PLCnext Engineer version 2020.3.1 and earlier an improper path sanitation vulnerability exists on import of project files. Affected products include: Phoenixcontact Plcnext Engineer. Version information: version 2020.3.1.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.