UpHeron
All vulnerabilities

Servers and applications

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 a contact. A user will receive a "Corrupt File" error, but the file is still uploaded and stored…

Severity
High 8.0
Published
3 Jun 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.8.15
Sources
NVD

Affected software

SoftwareAffected versions
Zimbra CollaborationServers and applications · cpe:a:synacor:zimbra_collaboration_suite
  • Version 9.0.0-p2
  • Version 9.0.0-p1
  • Version 9.0.0
  • Version 8.8.15-p9
All 14 release lines
  • Every version before 8.8.15
  • Version 8.8.15
  • Version 8.8.15-p1
  • Version 8.8.15-p2
  • Version 8.8.15-p3
  • Version 8.8.15-p4
  • Version 8.8.15-p5
  • Version 8.8.15-p6
  • Version 8.8.15-p7
  • Version 8.8.15-p8
  • Version 8.8.15-p9
  • Version 9.0.0
  • Version 9.0.0-p1
  • Version 9.0.0-p2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-12846
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-12846