CVE-2021-20791 — CRITICAL (9.3)

Q: How severe is CVE-2021-20791?

CVE-2021-20791 has been rated CRITICAL with a CVSS base score of 9.3/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-20791?

Check the references section above for vendor advisories and patch information. Affected products include: Jscom Revoworks Browser.

Vulnerability 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.

CVSS Score

9.3

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Jscom	Revoworks Browser	>= 2.1.197, <= 2.1.230

References

https://jscom.jp/news-20210910_2/Vendor Advisory
https://jvn.jp/en/jp/JVN81658818/index.htmlThird Party Advisory
https://jscom.jp/news-20210910_2/Vendor Advisory
https://jvn.jp/en/jp/JVN81658818/index.htmlThird Party Advisory

FAQ

What is CVE-2021-20791?

CVE-2021-20791 is a vulnerability with a CVSS score of 9.3 (CRITICAL). 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 ...

How severe is CVE-2021-20791?

CVE-2021-20791 has been rated CRITICAL with a CVSS base score of 9.3/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-20791?

Check the references section above for vendor advisories and patch information. Affected products include: Jscom Revoworks Browser.