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Fencer Vulns
high 7.8

CVE-2022-44725 json

OPC Foundation Local Discovery Server (LDS) through 1.04.403.478 uses a hard-coded file path to a configuration file.

published 2022-11-17 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-47659

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits
0
none known

Summary

OPC Foundation Local Discovery Server (LDS) through 1.04.403.478 uses a hard-coded file path to a configuration file. This allows a normal user to create a malicious file that is loaded by LDS (running as a high-privilege user).

Patch / fix

  • opcfoundation local_discovery_server 1.04.405.479

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-24-102-08 updated cvss 7.8

Siemens OPC Foundation Local Discovery Server Affecting Siemens Products

  • Siemens OpenPCS 7 V9.1 Siemens SIMATIC NET PC Software V14 Siemens SIMATIC NET PC Software V15
    affected: mitigation, no fix planned
  • Siemens SIMATIC NET PC Software V16 <V16_Update_8
    affected: fixed in V16, mitigation support.industry.siemens.com
  • Siemens SIMATIC NET PC Software V17 <V17_SP1_Update_1
    affected: fixed in V17, mitigation support.industry.siemens.com
  • Siemens SIMATIC NET PC Software V18 <V18_Update_1
    affected: fixed in V18, mitigation support.industry.siemens.com
  • Siemens SIMATIC Process Historian 2020 OPC UA Server
    affected: mitigation, no fix planned
  • Siemens SIMATIC Process Historian 2022 OPC UA Server <V2022_SP1
    affected: vendor fix, mitigation
  • Siemens SIMATIC WinCC < 8.0
    affected: fixed in V8.0, mitigation support.industry.siemens.com
  • Siemens SIMATIC WinCC Runtime Professional <V18_Update_2
    affected: fixed in V18, mitigation
show 2 more

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

cisa ICSA-23-103-03 updated cvss 7.8

Siemens in OPC Foundation Local Discovery Server

  • Siemens OpenPCS 7 V9.1 Siemens SIMATIC NET PC Software V14 Siemens SIMATIC NET PC Software V15
    affected: mitigation, no fix planned
  • Siemens SIMATIC NET PC Software V16 <V16_Update_8
    affected: fixed in V16, mitigation support.industry.siemens.com
  • Siemens SIMATIC NET PC Software V17 <V17_SP1
    affected: fixed in V17, mitigation support.industry.siemens.com
  • Siemens SIMATIC NET PC Software V18 <V18_Update_1
    affected: fixed in V18, mitigation support.industry.siemens.com
  • Siemens SIMATIC Process Historian 2020 OPC UA Server
    affected: mitigation, no fix planned
  • Siemens SIMATIC Process Historian 2022 OPC UA Server <V2022_SP1
    affected: vendor fix, mitigation
  • Siemens SIMATIC WinCC <V8.0
    affected: fixed in V8.0, mitigation support.industry.siemens.com
  • Siemens SIMATIC WinCC Runtime Professional <V18_Update_2
    affected: fixed in V18, mitigation
show 2 more

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-732 Incorrect Permission Assignment for Critical Resource

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.