CVE-2021-39215

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2021-39215
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-09-15T18:15:09
  • Last Modified Date
  • 2021-09-28T18:38:00
Weakness Enumerations
CWE URL
CWE-287 http://cwe.mitre.org/data/definitions/287.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:8x8:jitsi_meet:2.0.5963:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/jitsi/jitsi-meet/pull/9319 Patch Third Party Advisory
https://github.com/jitsi/jitsi-meet/security/advisories/GHSA-45ff-37jm-xjfx Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-39215
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39215
History
Created Old Value New Value Data Type Notes
2022-05-10 06:53:06 Added to TrackCVE
2022-12-05 10:42:52 2021-09-15T18:15Z 2021-09-15T18:15:09 CVE Published Date updated
2022-12-05 10:42:52 2021-09-28T18:38:00 CVE Modified Date updated
2022-12-05 10:42:52 Analyzed Vulnerability Status updated