Citrix Bleed
https://www.bleepingcomputer.com/news/security/hackers-use-citrix-bleed-flaw-in-attacks-on-govt-networks-worldwide/
Threat actors are leveraging the 'Citrix Bleed' vulnerability, tracked as CVE-2023-4966, to target government, technical, and legal organizations in the Americas, Europe, Africa, and the Asia-Pacific region.
Researchers from Mandiant report that four ongoing campaigns target vulnerable Citrix NetScaler ADC and Gateway appliances, with attacks underway since late August 2023.