CVE-2020-27612 Information disclosure in n/a
Greenlight exposes usernames in room URLs, potentially leaking user identities to other participants or external viewers via screenshots.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-27612?
CVE-2020-27612 is a medium-severity vulnerability in n/a, published on 21 Oct 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an unintended information leak to users in a room, or an information leak to outsiders if any user publishes a screenshot of a browser window.
Weakness: CWE-200
Which versions are affected by CVE-2020-27612?
It affects 1 product.
Products include Bigbluebutton Bigbluebutton.
How do I fix CVE-2020-27612?
No fix has been published for CVE-2020-27612 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-27612 being exploited?
There is no known exploitation of CVE-2020-27612 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-749r-88fw-9fjh.