TI-2021-04017 Aliases CVE-2021-20791 GHSA-9435-7c72-6m39

Improper access control vulnerability in RevoWorks Browser 2.1.230 and earlier allows an…

MEDIUM 42Published 2021-09-17 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Improper access control vulnerability in RevoWorks Browser 2.1.230 and earlier allows an attacker to bypass access restriction and to exchange unauthorized files between the local environment and the isolated environment or settings of the web browser via unspecified vectors.

Why it matters now

EPSS 0.00842 58th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

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
J’s Communication Co., Ltd.	RevoWorks Browser	up to 2.1.230	—	No fix listed	CNA

RevoWorks Browser VendorJ’s Communication Co., Ltd. Affected up to 2.1.230 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:jscom:revoworks_browser::::::::	2.1.197 – 2.1.230	Vulnerable	J’s Communication Co., Ltd.

cpe:2.3:a:jscom:revoworks_browser:*:*:*:*:*:*:*:* Versions 2.1.197 – 2.1.230 Vulnerable ·J’s Communication Co., Ltd.

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-20791
2026-10-03 Alias added: GHSA-9435-7c72-6m39

References

Advisory 2

TI-2021-04016 Improper control of program execution vulnerability in RevoWorks Browser 2.1.230 and… CVSS 3.1CRITICAL 9.6
TI-2022-10300 Incomplete filtering of special elements vulnerability exists in RevoWorks SCVX using… CVSS 3.1HIGH 7.8

Sources

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