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CVE-2021-31410— Project sources exposure in Vaadin Designer

Quick assessment

Affected
Vaadin Designer
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Vaadin Designer是Vaadin开源的一个应用软件。一个Web应用程序构建器。 Vaadin Designer 4.3.0版本至4.6.3版本存在安全漏洞，该漏洞源于过度宽松的前端资源服务器配置允许远程攻击者可利用该漏洞通过精心制作的HTTP请求访问项目源。

CVSS 8.6 · High EPSS 1.69% · P76

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-31410

Vulnerability Information
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Vulnerability Title
Project sources exposure in Vaadin Designer
Source: CVE Program / CVE List V5
Vulnerability Description
Overly relaxed configuration of frontend resources server in Vaadin Designer versions 4.3.0 through 4.6.3 allows remote attackers to access project sources via crafted HTTP request.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
将私有的资源传输到一个新的空间(资源泄露)
Source: CVE Program / CVE List V5
Vulnerability Title
Vaadin Designer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vaadin Designer是Vaadin开源的一个应用软件。一个Web应用程序构建器。 Vaadin Designer 4.3.0版本至4.6.3版本存在安全漏洞，该漏洞源于过度宽松的前端资源服务器配置允许远程攻击者可利用该漏洞通过精心制作的HTTP请求访问项目源。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Vaadin Designer 4.3.0 ~ * -

II. Public POCs for CVE-2021-31410

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III. Intelligence Information for CVE-2021-31410

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Other References for CVE-2021-31410 (1)

Same Patch Batch · Vaadin · 2021-04-23 · 13 CVEs total

CVE-2021-31407 8.6 HIGH Server classes and resources exposure in OSGi applications using Vaadin 12-14 and 19
CVE-2020-36320 7.5 HIGH Regular expression Denial of Service (ReDoS) in EmailValidator class in Vaadin 7
CVE-2021-31405 7.5 HIGH Regular expression denial of service (ReDoS) in EmailField component in Vaadin 14 and 15-1
CVE-2021-31408 6.3 MEDIUM Server session is not invalidated when logout() helper method of Authentication module is
CVE-2019-25027 6.1 MEDIUM Reflected cross-site scripting in default RouteNotFoundError view in Vaadin 10 and 11-13
CVE-2020-36321 5.9 MEDIUM Directory traversal in development mode handler in Vaadin 14 and 15-17
CVE-2019-25028 5.4 MEDIUM Stored cross-site scripting in Grid component in Vaadin 7 and 8
CVE-2021-31403 4.0 MEDIUM Timing side channel vulnerability in UIDL request handler in Vaadin 7 and 8
CVE-2021-31404 4.0 MEDIUM Timing side channel vulnerability in UIDL request handler in Vaadin 10, 11-14, and 15-18
CVE-2021-31406 4.0 MEDIUM Timing side channel vulnerability in endpoint request handler in Vaadin 15-19
CVE-2020-36319 3.1 LOW Potential sensitive data exposure in applications using Vaadin 15
CVE-2018-25007 2.6 LOW Unauthorized client-side property update in UIDL request handler in Vaadin 10 and 11

IV. Related Vulnerabilities

Same product: Designer
Same vendor: Vaadin
Same weakness: CWE-402

V. Comments for CVE-2021-31410

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