CVE-2020-27603 — HIGH (7.5)

Q: What is CVE-2020-27603?

CVE-2020-27603 is a vulnerability with a CVSS score of 7.5 (HIGH). BigBlueButton before 2.2.27 has an unsafe JODConverter setting in which LibreOffice document conversions can access external files.

Q: How severe is CVE-2020-27603?

CVE-2020-27603 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2020-27603?

Check the references section above for vendor advisories and patch information. Affected products include: Bigbluebutton Bigbluebutton.

Vulnerability Description

BigBlueButton before 2.2.27 has an unsafe JODConverter setting in which LibreOffice document conversions can access external files.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Bigbluebutton	Bigbluebutton	< 2.2.27

References

https://www.golem.de/news/big-blue-button-das-grosse-blaue-sicherheitsrisiko-201ExploitThird Party Advisory
https://www.golem.de/news/big-blue-button-das-grosse-blaue-sicherheitsrisiko-201ExploitThird Party Advisory

FAQ

What is CVE-2020-27603?

CVE-2020-27603 is a vulnerability with a CVSS score of 7.5 (HIGH). BigBlueButton before 2.2.27 has an unsafe JODConverter setting in which LibreOffice document conversions can access external files.

How severe is CVE-2020-27603?

CVE-2020-27603 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-27603?

Check the references section above for vendor advisories and patch information. Affected products include: Bigbluebutton Bigbluebutton.