Authentication bypass vulnerability
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.2%
exploitation probability
0.2%top 88% of all CVEs
observed exploitation
nono source reports it
An authentication bypass vulnerability in Koollab LMS allowed an unauthenticated
attacker to take over any account, including administrator accounts, by
supplying a valid user UUID without providing primary credentials via the 2FA
validation endpoint.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Affected products
Three Learning · Koollab LMS