TI-2021-03947 Aliases CVE-2021-20721 GHSA-8438-2753-v3v3

Unrestricted file upload in kujirahand KonaWiki2

MEDIUM 45CWE-434Published 2021-05-20 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

KonaWiki2 versions prior to 2.2.4 allows a remote attacker to upload arbitrary files via unspecified vectors. If the file contains PHP scripts, arbitrary code may be executed.

Why it matters now

EPSS 0.01522 74th percentileScored 2026-11-07

Fix Fixed KonaWiki2 (kujirahand): 2.2.4

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
kujirahand	KonaWiki2	before 2.2.4	2.2.4	Patch available	CNA

KonaWiki2 Vendorkujirahand Affected before 2.2.4 Fixed in 2.2.4 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:kujirahand:konawiki::::::::	before 2.2.4	Vulnerable	kujirahand

cpe:2.3:a:kujirahand:konawiki:*:*:*:*:*:*:*:* Versions before 2.2.4 Vulnerable ·kujirahand

Remediation

Fix · CNA KonaWiki2 (kujirahand) Fixed in 2.2.4

Timeline

2026-10-02 Threatist record created from CVE-2021-20721
2026-10-03 Alias added: GHSA-8438-2753-v3v3

References

Advisory 2

TI-2021-03946 SQL injection in kujirahand KonaWiki2 CVSS 3.1CRITICAL 9.8
TI-2020-04582 Cross-site scripting in kujirahand KonaWiki CVSS 3.1MEDIUM 6.1
TI-2020-04581 Cross-site scripting in kujirahand KonaWiki CVSS 3.1MEDIUM 6.1
TI-2020-04583 Path traversal in kujirahand KonaWiki CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences