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Servers and applications

CVE-2022-41352

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0. An attacker can upload arbitrary files through amavis via a cpio loophole (extraction to /opt/zimbra/jetty/webapps/zimbra/public) that can lead to incorrect access to any other user accounts. Zimbra recommends pax over cpio. Also, pax is in the prerequisites of Zimbra on Ubuntu; however, pax is no longer part of a default Red…

Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 20 Oct 2022.

Severity
Critical 9.8
Published
26 Sept 2022
Last changed
10 Sept 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Zimbra CollaborationServers and applications · cpe:a:synacor:zimbra_collaboration_suite
  • Version 9.0.0-p26
  • Version 9.0.0-p25
  • Version 9.0.0-p24.1
  • Version 9.0.0-p24
All 63 release lines
  • 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 8.8.15-p10
  • Version 8.8.15-p11
  • Version 8.8.15-p12
  • Version 8.8.15-p13
  • Version 8.8.15-p14
  • Version 8.8.15-p15
  • Version 8.8.15-p16
  • Version 8.8.15-p17
  • Version 8.8.15-p18
  • Version 8.8.15-p19
  • Version 8.8.15-p20
  • Version 8.8.15-p21
  • Version 8.8.15-p22
  • Version 8.8.15-p23
  • Version 8.8.15-p24
  • Version 8.8.15-p25
  • Version 8.8.15-p26
  • Version 8.8.15-p27
  • Version 8.8.15-p28
  • Version 8.8.15-p29
  • Version 8.8.15-p30
  • Version 8.8.15-p31
  • Version 8.8.15-p31.1
  • Version 8.8.15-p32
  • Version 8.8.15-p33
  • Version 9.0.0
  • Version 9.0.0-p1
  • Version 9.0.0-p2
  • Version 9.0.0-p3
  • Version 9.0.0-p4
  • Version 9.0.0-p5
  • Version 9.0.0-p6
  • Version 9.0.0-p7
  • Version 9.0.0-p8
  • Version 9.0.0-p9
  • Version 9.0.0-p10
  • Version 9.0.0-p11
  • Version 9.0.0-p12
  • Version 9.0.0-p13
  • Version 9.0.0-p14
  • Version 9.0.0-p15
  • Version 9.0.0-p16
  • Version 9.0.0-p17
  • Version 9.0.0-p18
  • Version 9.0.0-p19
  • Version 9.0.0-p20
  • Version 9.0.0-p21
  • Version 9.0.0-p22
  • Version 9.0.0-p23
  • Version 9.0.0-p24
  • Version 9.0.0-p24.1
  • Version 9.0.0-p25
  • Version 9.0.0-p26

Known exploited

CISA name
Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability
Required action
Apply updates per vendor instructions.
Due for US agencies
10 Nov 2022
Used in ransomware
Yes, known

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-41352
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-41352