CVE-2022-41352 — Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability

CVE-2022-41352 (Synacor Zimbra Collaboration Suite (ZCS)) is in the CISA Known Exploited Vulnerabilities catalog since 2022-10-20. Used in ransomware. Synacor Zimbra Collaboration Suite (ZCS) allows an attacker to upload arbitrary files using cpio package to… See the required fix, due date and…

Exploitation status

CVE-2022-41352 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 2022-10-20. Synacor Zimbra Collaboration Suite (ZCS) allows an attacker to upload arbitrary files using cpio package to gain incorrect access to any other user accounts.

Advisory facts

Vendor or project
Synacor
Affected product
Zimbra Collaboration Suite (ZCS)
Added to CISA KEV
2022-10-20
US federal remediation due date
2022-11-10
Ransomware association
Known
EPSS score
—
Weakness (CWE)
CWE-22

Remediation: the required action

Apply updates per vendor instructions.

Wording published by CISA for this catalog entry. It is the baseline action, not a decision about your environment: whether this exposure matters for you depends on where the affected component runs, what it is exposed to and who owns it.

From advisory to a decision you can defend

A catalog entry tells you a vulnerability is being exploited somewhere. It does not tell you whether it matters in your estate, who owns the fix, or what evidence an auditor will ask for later. That is the work VulnTrek does: it takes findings from the tools you already run, decides which exposure actually matters, routes it to an owner, keeps remediation human-approved and retains the lineage as evidence.

Sourced from public upstream advisories (CISA KEV, ENISA EUVD, vendor PSIRTs) mirrored daily. Informational only — not a remediation decision, not legal advice, and the absence of a record is not evidence of safety.