Is CVE-2022-41352 in the CISA KEV catalog?

Yes. CVE-2022-41352 is on the CISA Known Exploited Vulnerabilities list, added 2022-10-20.

What is the CVSS severity of CVE-2022-41352?

CVE-2022-41352 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2022-41352?

CVE-2022-41352 has an EPSS score of 95.48% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2022-41352?

No published fix for CVE-2022-41352 has been found yet. It is on the CISA Known Exploited Vulnerabilities list; federal agencies must remediate by 2022-11-10. Apply the vendor's mitigations per CISA's guidance.

CVE & CISA-KEV Catalog

CVE-2022-41352

CRITICALCISA KEVEPSS 100th pctl

9.8

CVSS v3

NVD

Description

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 Hat installation after RHEL 6 (or CentOS 6). Once pax is installed, amavis automatically prefers it over cpio.

CWE-22Path Traversal

How to fix

Actively exploited, no published fix found yet

CISA required action: Apply updates per vendor instructions.

Federal remediation due: 2022-11-10

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

95.48%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability

Synacor Zimbra Collaboration Suite (ZCS) allows an attacker to upload arbitrary files using cpio package to gain incorrect access to any other user accounts.

Apply updates per vendor instructions.

Remediation due: 2022-11-10

References

Patch1

wiki.zimbra.com

Exploit1

packetstormsecurity.com

Vendor Advisory2

Third-Party Advisory1

secpod.com

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.