CVE-2022-40976: PILZ: Multiple products affected by ZipSlip

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-24 · updated 2026-06-17
Weakness: CWE-22

Description

A path traversal vulnerability was discovered in multiple Pilz products. An unauthenticated local attacker could use a zipped, malicious configuration file to trigger arbitrary file writes ('zip-slip'). File writes do not affect confidentiality or availability.

Affected products

PILZ Pas 4000: before 1.25.0 — fixed in 1.25.0
Pliz Pascal: through 1.9.1
Pliz Pasconnect: before 1.4.0 — fixed in 1.4.0
Pliz Pasmotion: before 1.4.1 — fixed in 1.4.1
Pliz Pnozmulti Configurator: before 10.14.4; before 11.2.0 — fixed in 10.14.4, 11.2.0

How to fix

Upgrade to a fixed version: PILZ Pas 4000 1.25.0; Pliz Pasconnect 1.4.0; Pliz Pasmotion 1.4.1; Pliz Pnozmulti Configurator 10.14.4, 11.2.0. Check the vendor advisory for mitigations.

References

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