What is the CVSS score of CVE-2021-29238?

CVE-2021-29238 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.5%.

Automation Server CVE-2021-29238

HIGH

Cross-Site Request Forgery (CSRF) (CWE-352)

2021-05-03 cve@mitre.org

CSRF Automation Server

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 03, 2021 - 14:15 nvd

HIGH 8.8

DescriptionNVD

CODESYS Automation Server before 1.16.0 allows cross-site request forgery (CSRF).

AnalysisAI

CODESYS Automation Server before 1.16.0 allows cross-site request forgery (CSRF). Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. CODESYS Automation Server before 1.16.0 allows cross-site request forgery (CSRF). Affected products include: Codesys Automation Server. Version information: before 1.16.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.