What’s Vulnerable › Vulnerabilities

CVE-2021-20791

• Severity: critical (CVSS 9.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-17 · updated 2026-06-17

Description

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.

Affected products

• J’s Communication Co., Ltd. RevoWorks Browser: from 2.1.197 through 2.1.230

References

• https://jscom.jp/news-20210910_2/
• https://jvn.jp/en/jp/JVN81658818/index.html
• https://jscom.jp/news-20210910_2/
• https://jvn.jp/en/jp/JVN81658818/index.html

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