What is the CVSS score of CVE-2021-36763?

CVE-2021-36763 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 1.0%.

Control CVE-2021-36763

HIGH

Files or Directories Accessible to External Parties (CWE-552)

2021-08-03 cve@mitre.org

Path Traversal Information Disclosure Control Control Rte Control Runtime System Toolkit Control Win Sl Embedded Target Visu Toolkit Hmi Remote Target Visu Toolkit

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

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:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Aug 03, 2021 - 16:15 nvd

HIGH 7.5

DescriptionNVD

In CODESYS V3 web server before 3.5.17.10, files or directories are accessible to External Parties.

AnalysisAI

In CODESYS V3 web server before 3.5.17.10, files or directories are accessible to External Parties. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-552. In CODESYS V3 web server before 3.5.17.10, files or directories are accessible to External Parties. Affected products include: Codesys Control, Codesys Control Rte, Codesys Control Runtime System Toolkit, Codesys Control Win Sl, Codesys Embedded Target Visu Toolkit. Version information: before 3.5.17.10.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.