CVE-2021-43445

Published on: Not Yet Published

Last Modified on: 01/31/2023 03:07:00 PM UTC

CVE-2021-43445

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Certain versions of Server from Onlyoffice contain the following vulnerability:

ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An attacker can authenticate with the web socket service of the ONLYOFFICE document editor which is protected by JWT auth by using a default JWT signing key.

  • CVE-2021-43445 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as CRITICAL severity.

CVSS3 Score: 9.8 - CRITICAL

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

CVE References

Description Tags ⓘ Link
ONLYOFFICE - Online Office for business | ONLYOFFICE www.onlyoffice.com
application/x-wine-extension-ini
 URL Logo MISC www.onlyoffice.com/
Remote Code Execution in ONLYOFFICE - Nettitude Labs labs.nettitude.com
text/html
 URL Logo MISC labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/
GitHub - ONLYOFFICE/server: The backend server software layer which is the part of ONLYOFFICE Document Server and is the base for all other components github.com
text/html
 URL Logo MISC github.com/ONLYOFFICE/server
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Exploit/POC from Github

ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An attacker can authenticate with t…

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationOnlyofficeServerAllAllAllAll
  • cpe:2.3:a:onlyoffice:server:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-43445 : ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An attacker can… twitter.com/i/web/status/1… 2023-01-23 15:24:17
Reddit Logo Icon /r/netcve CVE-2021-43445 2023-01-23 16:40:15
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