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osvGoogleOSV:CVE-2020-27602
HistorySep 29, 2022 - 3:15 a.m.

CVE-2020-27602

2022-09-2903:15:14
Google
osv.dev
3
bigbluebutton
injection vulnerability
meetingid
userid
authtoken

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.2

Confidence

Low

EPSS

0.003

Percentile

69.3%

BigBlueButton before 2.2.7 does not have a protection mechanism for separator injection in meetingId, userId, and authToken.

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.2

Confidence

Low

EPSS

0.003

Percentile

69.3%

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