What is the CVSS score of CVE-2020-8788?

CVE-2020-8788 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: 0.8%.

Is there a public PoC exploit available for CVE-2020-8788?

Yes, a public proof-of-concept exploit is available for CVE-2020-8788. Prioritise patching immediately. EPSS: 0.8%.

Clearcanvas CVE-2020-8788

MEDIUM

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

2020-02-07 cve@mitre.org

XSS Clearcanvas

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

Feb 07, 2020 - 14:15 nvd

MEDIUM 6.1

DescriptionNVD

Synaptive Medical ClearCanvas ImageServer 3.0 Alpha allows XSS (and HTML injection) via the Default.aspx UserName parameter. NOTE: the issues/227 reference does not imply that the affected product can be downloaded from GitHub. It was simply a convenient location for a public bug report.

AnalysisAI

Synaptive Medical ClearCanvas ImageServer 3.0 Alpha allows XSS (and HTML injection) via the Default.aspx UserName parameter. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and 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. Synaptive Medical ClearCanvas ImageServer 3.0 Alpha allows XSS (and HTML injection) via the Default.aspx UserName parameter. NOTE: the issues/227 reference does not imply that the affected product can be downloaded from GitHub. It was simply a convenient location for a public bug report. Affected products include: Synaptivemedical Clearcanvas.

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.