CVE-2022-40976: A path traversal vulnerability was discovered in multiple Pilz products

Q: How do I fix CVE-2022-40976?

pas 4000: upgrade to 1.25.0; pascal: upgrade to newer than 1.9.1; pasconnect: upgrade to 1.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2022-40976 being exploited?

CVE-2022-40976 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-40976 affect?

CVE-2022-40976 affects pas 4000, pascal, pasconnect. Severity is medium (CVSS 5.5). 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 confidentia

Q: How urgent is CVE-2022-40976?

Priority 23/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADEUPGRADEUPGRADE

CVE-2022-40976 is a medium-severity flaw (CVSS 5.5) affecting pas 4000, pascal, pasconnect. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-22
Published	2022-11-24
Last modified	2026-06-17

Publisher (CNA): CERT VDE · Vendor: pilz · pliz

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-11-24 10:15 UTCPublished CVE record published
2026-06-17 05:02 UTCUpdated Record last modified

pilz pas 4000 UPGRADE

Affected: < 1.25.0

Fixed in: 1.25.0

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

pliz pascal UPGRADE

Affected: <= 1.9.1

Fixed in: newer than 1.9.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pascal || rpm -q pascal || pascal --version

2. UPGRADE to newer than 1.9.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pascal

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pascal

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

pliz pasconnect UPGRADE

Affected: < 1.4.0

Fixed in: 1.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pasconnect || rpm -q pasconnect || pasconnect --version

2. UPGRADE to 1.4.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pasconnect

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pasconnect

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

pliz pasmotion UPGRADE

Affected: < 1.4.1

Fixed in: 1.4.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pasmotion || rpm -q pasmotion || pasmotion --version

2. UPGRADE to 1.4.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pasmotion

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pasmotion

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

pliz pnozmulti configurator UPGRADE

Affected: < 10.14.4 · < 11.2.0

Fixed in: 10.14.4, 11.2.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pnozmulti-configurator || rpm -q pnozmulti-configurator || pnozmulti-configurator --version

2. UPGRADE to 10.14.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pnozmulti-configurator

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pnozmulti-configurator

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-40976?

pas 4000: upgrade to 1.25.0; pascal: upgrade to newer than 1.9.1; pasconnect: upgrade to 1.4.0. Exact commands for each OS are on this page.

Is CVE-2022-40976 being exploited?

CVE-2022-40976 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-40976 affect?

CVE-2022-40976 affects pas 4000, pascal, pasconnect. Severity is medium (CVSS 5.5). 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 confidentia

How urgent is CVE-2022-40976?

Priority 23/100. No elevated risk signals yet.

References

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