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← Live incidents

May 11, 2023

0 new incidents, 1 with updates.

Updated

  • ClosedPatched

    PaperCut MF/NG auth bypass to SYSTEM RCE, used by Cl0p and LockBit (CVE-2023-27350)

    An improper access control bug in PaperCut NG/MF print management let unauthenticated attackers run code as SYSTEM. Fixes had shipped in March 2023, but unpatched servers were exploited from April. Microsoft linked it to Cl0p (Lace Tempest) and LockBit, and the Bl00dy gang hit schools with it.

    PaperCut MF and PaperCut NGClosed May 11, 2023