VulnerabilityModified
CVE-2020-29043
When at attacker is able to view an account_activations/edit?token= URI, the attacker can create an approved user account associated with an email address that has an arbitrary domain name.
HIGH 7.5EPSS 1.45%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in BigBlueButton through 2.2.29. When at attacker is able to view an account_activations/edit?token= URI, the attacker can create an approved user account associated with an email address that has an arbitrary domain name.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.45% probability · 72th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- bigbluebutton/bigbluebutton
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/160239/BigBlueButton-2.2.29-E-mail-Validation-Bypass.htmlThird Party Advisory
- https://cxsecurity.com/issue/WLB-2020110211Exploit, Third Party Advisory
- https://github.com/bigbluebutton/bigbluebutton/releasesRelease Notes, Third Party Advisory
- http://packetstormsecurity.com/files/160239/BigBlueButton-2.2.29-E-mail-Validation-Bypass.htmlThird Party Advisory
- https://cxsecurity.com/issue/WLB-2020110211Exploit, Third Party Advisory
- https://github.com/bigbluebutton/bigbluebutton/releasesRelease Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.