CVE-2019-25027 : Missing output sanitization in default RouteNotFoundError view in com.vaadin:flo

Missing output sanitization in default RouteNotFoundError view in com.vaadin:flow-server versions 1.0.0 through 1.0.10 (Vaadin 10.0.0 through 10.0.13), and 1.1.0 through 1.4.2 (Vaadin 11.0.0 through 13.0.5) allows attacker to execute malicious JavaScript via crafted URL

Published 2021-04-23 16:15:08

Updated 2021-05-05 18:27:49

Source Vaadin Ltd.

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2019-25027

Vaadin » Vaadin
Versions from including (>=) 10.0.0 and before (<) 10.0.14
cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:*
Matching versions
Vaadin » Vaadin
Versions from including (>=) 11.0.0 and before (<) 13.0.6
cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:*
Matching versions
Vaadin » Flow
Versions from including (>=) 1.0.0 and before (<) 1.0.11
cpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:*
Matching versions
Vaadin » Flow
Versions from including (>=) 1.1.0 and before (<) 1.4.3
cpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2019-25027

EPSS FAQ

0.07%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 31 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-25027

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None
6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	Vaadin Ltd.
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2019-25027

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)
CWE-81 Improper Neutralization of Script in an Error Message Web Page

The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters that could be interpreted as web-scripting elements when they are sent to an error page.

Assigned by: security@vaadin.com (Secondary)

References for CVE-2019-25027

https://vaadin.com/security/cve-2019-25027

CVE-2019-25027: Reflected cross-site scripting in default RouteNotFoundError view in Vaadin 10 and 11-13
Vendor Advisory
https://github.com/vaadin/flow/pull/5498

Sanitize input used in error template by TatuLund · Pull Request #5498 · vaadin/flow · GitHub
Patch;Third Party Advisory

Jump to

Vulnerability Details : CVE-2019-25027

Products affected by CVE-2019-25027

Exploit prediction scoring system (EPSS) score for CVE-2019-25027

CVSS scores for CVE-2019-25027

CWE ids for CVE-2019-25027

References for CVE-2019-25027