What is the CVSS score of CVE-2017-16721?

CVE-2017-16721 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.3%.

Reliance Scada CVE-2017-16721

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2017-12-04 ics-cert@hq.dhs.gov

XSS RCE Reliance Scada

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Dec 04, 2017 - 15:29 cve.org

MEDIUM 6.1

DescriptionCVE.org

A Cross-site Scripting issue was discovered in Geovap Reliance SCADA Version 4.7.3 Update 2 and prior. This vulnerability could allow an unauthenticated attacker to inject arbitrary code.

AnalysisAI

A Cross-site Scripting issue was discovered in Geovap Reliance SCADA Version 4.7.3 Update 2 and prior. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A Cross-site Scripting issue was discovered in Geovap Reliance SCADA Version 4.7.3 Update 2 and prior. This vulnerability could allow an unauthenticated attacker to inject arbitrary code. Affected products include: Geovap Reliance-Scada. Version information: Version 4.7.3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.