CVE-2025-54599

The Bevy Event service through 2025-07-22, as used for eBay Seller Events and other activities, allows account takeover, if SSO is used, when a victim changes the email address that they have configured. To exploit this, an attacker would create their own account and perform an SSO login. The root cause of the issue is SSO misconfiguration.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
mitreCNA
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CISA-ADPADP
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 17%
VendorProductVersion
bevyevents_and_groups
𝑥
≤ 2025-07-22
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://bevy.com/b/events-and-groups
https://gist.github.com/deep1chil/558e8da919690a634bec684e7c4d0ffe
https://www.youtube.com/watch?v=wbmIvA09Ra8