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CVE-2021-20829

Published: Sep 21, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-79
NVD MITRE
6.1CVSSMEDIUM
EPSS Score
0.7%
Top 50.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Cross-site scripting vulnerability due to the inadequate tag sanitization in GROWI versions v4.2.19 and earlier allows remote attackers to execute an arbitrary script on the web browser of the user who accesses a specially crafted page.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

growiweseek
On-prem
Web & CMS Plugins / forum-wiki
GROWIWESEEK, Inc.
Mixed
Enterprise Software / collaboration-groupware
weseekcommercialWeb & CMS Pluginsaka growi, weseek/growi
weseek, inc.commercialEnterprise Softwareaka weseek, weseek inc, growi v4.2 series

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://jvn.jp/en/vu/JVNVU94889258/index.html
jvn.jp
https://weseek.co.jp/security/2021/09/17/vulnerability/growi-prevent-multiple-xss-addition/
weseek.co.jp

Timeline

Published
Sep 21, 2021
Last Updated
Nov 21, 2024

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