[Japanese]

JVNDB-2021-000019

Multiple cross-site scripting vulnerabilities in GROWI

Overview

GROWI provided by WESEEK, Inc. contains multiple cross-site scripting vulnerabilities listed below.
*Reflected cross-site scripting vulnerability due to insufficient verification of URL query parameters (CWE-79) - CVE-2021-20672
*Stored cross-site scripting vulnerability in Admin Page (CWE-79) - CVE-2021-20673

Naoya Miyaguchi of 3-shake Inc. reported these vulnerabilities to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 4.8 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 3.5 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: Single Instance
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2021-20673

CVSS V3 Severity:
Base Metrics: 6.1 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics: 2.6 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2021-20672
Affected Products


WESEEK, Inc.
  • GROWI versions from v4.2.0 to v4.2.7 (v4.2 Series)

According to the developer, these vulnerabilities affect v4.2 series only.
Impact

An arbitrary script may be executed on a logged-in user's web browser.
Solution

[Update the software]
Update to the latest version according to the information provided by the developer.
Vendor Information

WESEEK, Inc.
CWE (What is CWE?)

  1. Cross-site Scripting(CWE-79) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2021-20672
  2. CVE-2021-20673
References

  1. JVN : JVN#86438134
  2. National Vulnerability Database (NVD) : CVE-2021-20672
  3. National Vulnerability Database (NVD) : CVE-2021-20673
Revision History

  • [2021/03/10]
      Web page was published

Date Public2021/03/10
Date First Published2021/03/10
Date Last Updated2021/03/10