Dec 18, 2023
0 new incidents, 2 with updates.
Updated
- ClosedPatched
Xfinity breach via Citrix Bleed: 35.9M customers
Comcast's Xfinity said attackers used Citrix Bleed (CVE-2023-4966) on its NetScaler devices between Oct 16 and 19, 2023, before mitigation, and took usernames and hashed passwords. Some customers also lost names, contact details, last four SSN digits, birth dates and security questions. A Maine filing put the count at 35,879,455.
Xfinity (Comcast)Closed Dec 18, 2023
- ClosedPatched
Citrix Bleed: NetScaler session token leak (CVE-2023-4966)
A memory leak in NetScaler ADC and Gateway let attackers read session tokens and hijack logged-in sessions, bypassing passwords and MFA. It was exploited as a zero-day from late August 2023, then widely by LockBit affiliates. Victims included Xfinity (35.9M users).
Citrix NetScaler ADC and NetScaler GatewayClosed Nov 21, 2023
