CVE-2020-12846

Zimbra before 8.8.15 Patch 10 and 9.x before 9.0.0 Patch 3 allows remote code execution via an avatar file. There is potential abuse of /service/upload servlet in the webmail subsystem. A user can upload executable files exe,sh,bat,jar in the Contact section of the mailbox as an avatar image for ...

CVE-2020-12846

CVE-2020-12846 affects Zimbra Collaboration Server versions prior to 8.8.15 Patch 10 and 9.x prior to 9.0.0 Patch 3. The root cause is an unrestricted upload vulnerability in the webmail subsystem’s /service/upload servlet, where an attacker can upload executable files (exe, sh, bat, jar) as a co...