CVE-2021-39215

Published on: 09/15/2021 12:00:00 AM UTC

Last Modified on: 09/28/2021 06:38:00 PM UTC

CVE-2021-39215 - advisory for GHSA-45ff-37jm-xjfx

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

Certain versions of Jitsi Meet from 8x8 contain the following vulnerability:

Jitsi Meet is an open source video conferencing application. In versions prior to 2.0.5963, a Prosody module allows the use of symmetrical algorithms to validate JSON web tokens. This means that tokens generated by arbitrary sources can be used to gain authorization to protected rooms. This issue is fixed in Jitsi Meet 2.0.5963. There are no known workarounds aside from updating.

  • CVE-2021-39215 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.
  • Affected Vendor/Software: URL Logo jitsi - jitsi-meet version < 2.0.5963

CVSS3 Score: 7.5 - HIGH

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

CVSS2 Score: 5 - MEDIUM

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

CVE References

Description Tags Link
Authentication Bypass via Token Forgery · Advisory · jitsi/jitsi-meet · GitHub github.com
text/html
URL Logo CONFIRM github.com/jitsi/jitsi-meet/security/advisories/GHSA-45ff-37jm-xjfx
fix: prosody: token alg is checked before public key is used by aaronkvanmeerten · Pull Request #9319 · jitsi/jitsi-meet · GitHub github.com
text/html
URL Logo MISC github.com/jitsi/jitsi-meet/pull/9319

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Application8x8Jitsi Meet2.0.5963AllAllAll
  • cpe:2.3:a:8x8:jitsi_meet:2.0.5963:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-39215 : Jitsi Meet is an open source video conferencing application. In versions prior to 2.0.5963, a Pros… twitter.com/i/web/status/1… 2021-09-15 17:23:17
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