HOMEVULNERABILITIESCVE-2022-40977
HIGH

CVE-2022-40977

CWE-22Published: November 24, 2022· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

A path traversal vulnerability was discovered in Pilz PASvisu Server before 1.12.0. An unauthenticated remote attacker could use a zipped, malicious configuration file to trigger arbitrary file writes ('zip-slip'). File writes do not affect confidentiality or availability.

NVD Source

Technical Analysis

CVE-2022-40977 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

pilz15 product(s)
pasvisupmi v507 firmwarepmi v507pmi v512 firmwarepmi v512pmi v704e firmwarepmi v704epmi v707e firmwarepmi v707epmi v807 firmwarepmi v807pmi v812 firmware+3
Source: NVD CPE · 15 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

https://cert.vde.com/en/advisories/VDE-2022-033/Mitigation · Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2022-033/Mitigation · Third Party Advisory

Quick Facts

CVE IDCVE-2022-40977
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-22
CISA KEVNo
Affected1 vendor(s)
PublishedNov 24, 2022

Related CVEs (CWE-22)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-40977 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.