CVE-2021-20791

Published on: 09/16/2021 12:00:00 AM UTC

Last Modified on: 09/29/2021 07:12:00 PM UTC

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

Certain versions of Revoworks Browser from Jscom contain the following vulnerability:

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.

  • CVE-2021-20791 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as CRITICAL severity.
  • Affected Vendor/Software: URL Logo J’s Communication Co., Ltd. - RevoWorks Browser version 2.1.230 and earlier

CVSS3 Score: 9.3 - CRITICAL

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
CHANGED HIGH LOW NONE

CVSS2 Score: 6.4 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL NONE

CVE References

Description Tags Link
JVN#81658818: Multiple vulnerabilities in RevoWorks Browser jvn.jp
text/xml
URL Logo MISC jvn.jp/en/jp/JVN81658818/index.html
【重要】RevoWorks Browser の複数の脆弱性(CVE-2021-20790、CVE-2021-20791)に関する注意喚起 | ジェイズ・コミュニケーション jscom.jp
text/html
URL Logo MISC jscom.jp/news-20210910_2/

Exploit/POC from Github

PoC for exploiting CVE-2021-20791 : Improper access control vulnerability in RevoWorks Browser 2.1.230 and earlier al…

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationJscomRevoworks BrowserAllAllAllAll
  • cpe:2.3:a:jscom:revoworks_browser:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-20791 : Improper access control vulnerability in RevoWorks Browser 2.1.230 and earlier allows an attacker… twitter.com/i/web/status/1… 2021-09-17 01:43:00
Twitter Icon @threatmeter CVE-2021-20791 Improper access control vulnerability in RevoWorks Browser 2.1.230 and earlier allows an attacker to… twitter.com/i/web/status/1… 2021-09-19 07:09:51
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