CVE-2022-29862

mediumpriority · track · 31EPSS 0.017 · 77 %ileDEEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.68% (77th) EPSS
CVSS 5 · medium
Is it mine?
27 products
Check your exposure
Who says so?
9 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-22

An infinite loop in OPC UA .NET Standard Stack 1.04.368 allows a remote attackers to cause the application to hang via a crafted message.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedSIDIS Primesiemens_psirt

    Update to V4.0.400 or later version

  • Fixedtrumpf_psirt

    Use the updated versions of the TRUMPF OPC UA server that will be available via MyTRUMPF.

  • Fixedphoenix_contact_psirt

    Update to the latest LTS Firmware Release.Update to the latest LTS PLCnext Engineer Release.Please check Phoenix Contact PSIRT webpage for further Updates of this Advisory.

  • FixedSIDIS Primecisa_csaf_ot

    Update to V4.0.400 or later version

  • Mitigationphoenix_contact_psirt

    Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to our application note:Measures to protect network-capable devices with Ethernet connection

02

cvss

Technical severity, 0–10. One row per scoring source.

7.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · CISA US
v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · Siemens ProductCERT DE
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · Phoenix Contact PSIRT DE
v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · TRUMPF PSIRT
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-835USprimaryCWE-835USCWE-835USCWE-835USCWE-835USCWE-835USCWE-835US
04

affected products (27)

Products and version ranges known to be affected.

showing 20 of 27
05

advisories (5)

Vendor and ecosystem advisories describing this.

  • SSA-108696SSA-108696: Multiple Vulnerabilities in SIDIS Prime before V4.0.4002024-02-13csaf · siemens_psirtDE

    SIDIS Prime before V4.0.400 is affected by multiple vulnerabilities in the components OPC UA and OpenSSL, that could allow an unauthenticated attacker with access to the network where SIDIS Prime is installed to reuse OPC UA client credentials, create a denial of service condition of the SIDIS Prime OPC UA client, or create a denial of service condition of the SIDIS Prime TLS service. Siemens has released a new version of SIDIS Prime and recommends to update to the latest version.

  • VDE-2022-034TRUMPF: Products prone to Unified Automation vulnerabilities2022-08-15csaf · trumpf_psirtDE

    A number of TRUMPF software tools use the OPC UA Server in C++ based OPC UA SDK by Unified Automation. The application contains several vulnerabilities, which enable an attacker to send malicious data to the application, resulting in a Denial-of-Service.

  • VDE-2022-046PHOENIX CONTACT: Multiple Linux component vulnerabilities in PLCnext Firmware2022-11-10csaf · phoenix_contact_psirtDE

    UPDATE A: Two devices (ENERGY AXC PU, SMARTRTU AXC SG) added (24.11.2022) Update for PLCnext Firmware containing fixes for recent vulnerability findings in Linux components and security enhancements. PLCnext Control AXC F x152 is certified according to IEC 62443-4-1 and IEC 62443-4-2. This certification requires that all third-party components used in the firmware are regularly checked for known vulnerabilities.

  • GHSA-5q2v-6j86-5h9vSecurity Update for the OPC UA .NET Standard Stack2022-06-17ghsa · osvUS

    A vulnerability was discovered in OPC UA .NET Standard Stack that allows a malicious client or server to cause a peer to hang with a carefully crafted message sent during secure channel creation.

  • ICSA-24-046-02Siemens SIDIS Prime2024-02-13icsa · cisa_csaf_otUS

    SIDIS Prime before V4.0.400 is affected by multiple vulnerabilities in the components OPC UA and OpenSSL, that could allow an unauthenticated attacker with access to the network where SIDIS Prime is installed to reuse OPC UA client credentials, create a denial of service condition of the SIDIS Prime OPC UA client, or create a denial of service condition of the SIDIS Prime TLS service. Siemens has released a new version of SIDIS Prime and recommends to update to the latest version.

06

also known as (4)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducisa_csaf_otnvdosvphoenix_contact_psirtsiemens_psirttrumpf_psirtNVDCVE.orgMITRE
published 2022-06-16modified 2026-06-17
09

references (8)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan