CVE-2022-2663
mediumpriority · track · 22EPSS 0.041 · 91 %ileDEEUNLRUUSEPSS · scored 2026-10-27
An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly matches the message. A firewall may be able to be bypassed when users are using unencrypted IRC with nf_conntrack_irc configured.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedSCALANCE WAB762-1 (6GK5762-1AJ00-6AA0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM763-1 (6GK5763-1AL00-7DA0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM763-1 (ME) (6GK5763-1AL00-7DC0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM763-1 (US) (6GK5763-1AL00-7DB0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM766-1 (6GK5766-1GE00-7DA0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM766-1 (ME) (6GK5766-1GE00-7DC0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM766-1 EEC (ME) (6GK5766-1GE00-7TC0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUB762-1 (6GK5762-1AJ00-1AA0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUB762-1 iFeatures (6GK5762-1AJ00-2AA0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUM763-1 (6GK5763-1AL00-3AA0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUM763-1 (6GK5763-1AL00-3DA0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUM763-1 (US) (6GK5763-1AL00-3AB0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUM763-1 (US) (6GK5763-1AL00-3DB0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUM766-1 (6GK5766-1GE00-3DA0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUM766-1 (ME) (6GK5766-1GE00-3DC0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0)siemens_psirt
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSIMATIC S7-1500 TM MFP - GNU/Linux subsystemsiemens_psirt
Update to V1.1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109827684/ - FixedSIMATIC S7-1500 TM MFP - GNU/Linux subsystemcisa_csaf_ot
Update to V1.1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109827684/ - FixedSCALANCE WAB762-1 (6GK5762-1AJ00-6AA0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM763-1 (6GK5763-1AL00-7DA0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM763-1 (ME) (6GK5763-1AL00-7DC0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM763-1 (US) (6GK5763-1AL00-7DB0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM766-1 (6GK5766-1GE00-7DA0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM766-1 (ME) (6GK5766-1GE00-7DC0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM766-1 EEC (ME) (6GK5766-1GE00-7TC0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUB762-1 (6GK5762-1AJ00-1AA0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUB762-1 iFeatures (6GK5762-1AJ00-2AA0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUM763-1 (6GK5763-1AL00-3AA0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUM763-1 (6GK5763-1AL00-3DA0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUM763-1 (US) (6GK5763-1AL00-3AB0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUM763-1 (US) (6GK5763-1AL00-3DB0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUM766-1 (6GK5766-1GE00-3DA0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUM766-1 (ME) (6GK5766-1GE00-3DC0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - FixedSCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0)cisa_csaf_ot
Update to V3.0.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977720/ - MitigationSIMATIC S7-1500 TM MFP - GNU/Linux subsystemsiemens_psirt
Only build and run applications from trusted sources
- WorkaroundSIMATIC S7-1500 TM MFP - GNU/Linux subsystemcisa_csaf_ot
Only build and run applications from trusted sources
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (77)
Products and version ranges known to be affected.
advisories (10)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0061Kwetsbaarheden verholpen in Siemens productenNL2025-02-14csaf · ncsc_nlNL
Siemens heeft kwetsbaarheden verholpen in diverse producten als APOGEE, Opcenter, RUGGEDCOM, SCALANCE, SIMATIC, SIPROTEC en Teamcenter.
- SSA-769027SSA-769027: Multiple Vulnerabilities fixed in SCALANCE W700 IEEE 802.11ax devices before V3.0.02025-02-11csaf · siemens_psirtDE
SCALANCE W-700 IEEE 802.11ax family devices are affected by multiple vulnerabilities. Siemens has released new versions for the affected products and recommends to update to the latest versions.
- SSA-794697SSA-794697: Vulnerabilities in the Additional GNU/Linux Subsystem of the SIMATIC S7-1500 TM MFP Before V1.12023-06-13csaf · siemens_psirtDE
Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the SIMATIC S7-1500 TM MFP V1.0. Siemens has released a new version for SIMATIC S7-1500 TM MFP - GNU/Linux subsystem and recommends to update to the latest version. SIMATIC S7-1500 TM MFP V1.0 is no longer maintained and there won't be any update to the CVE list anymore. Please update to the latest version. This advisory lists vulnerabilities for firmware version V1.0 only; for V1.1 refer to Siemens Security Advisory SSA-265688 (https://cert-portal.siemens.com/productcert/html/ssa-265688.html).
- WID-SEC-W-2022-1236Linux Kernel: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2022-08-30csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
- WID-SEC-W-2023-1432Siemens SIMATIC S7: Mehrere SchwachstellenDeutsch2023-06-12csaf · cert_bundDE
Ein Angreifer aus dem angrenzenden Netzwerk oder ein entfernter, anonymer, authentisierter, physischer oder lokaler Angreifer kann mehrere Schwachstellen in Siemens SIMATIC S7 ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand herbeizuführen, seine Privilegien zu erweitern und Daten zu manipulieren.
- WID-SEC-W-2023-2112IBM Spectrum Protect: Mehrere SchwachstellenDeutsch2023-08-22csaf · cert_bundDE
Ein lokaler oder entfernter Angreifer kann mehrere Schwachstellen in IBM Spectrum Protect ausnutzen, um seine Privilegien zu erhöhen, beliebigen Programmcode auszuführen, Sicherheitsvorkehrungen zu umgehen, einen Denial of Service Zustand herbeizuführen oder unbekannte Auswirkungen zu verursachen.
- WID-SEC-W-2024-0064Juniper Produkte: Mehrere SchwachstellenDeutsch2024-01-10csaf · cert_bundDE
Ein Angreifer aus dem angrenzenden Netzwerk oder ein entfernter, anonymer, authentisierter, lokaler oder physischer Angreifer kann mehrere Schwachstellen in Juniper JUNOS, Juniper JUNOS Evolved, Juniper SRX Series, Juniper EX Series, Juniper QFX Series, Juniper ACX Series, Juniper PTX Series und Juniper MX Series ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand herbeizuführen und seine Berechtigungen zu erweitern.
- WID-SEC-W-2024-0794Dell ECS: Mehrere SchwachstellenDeutsch2024-04-04csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell ECS ausnutzen, um seine Privilegien zu erweitern, beliebigen Programmcode mit Administratorrechten auszuführen, Informationen offenzulegen, Dateien zu manipulieren, einen Cross-Site-Scripting-Angriff durchzuführen, Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service Zustand herbeizuführen.
- ICSA-23-166-11Siemens SIMATIC S7-1500 TM MFP Linux Kernel2023-06-13icsa · cisa_csaf_otUS
Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the SIMATIC S7-1500 TM MFP V1.0. Siemens has released a new version for SIMATIC S7-1500 TM MFP - GNU/Linux subsystem and recommends to update to the latest version. This advisory lists vulnerabilities for firmware version V1.0 only; for V1.1 refer to Siemens Security Advisory SSA-265688 ( https://cert-portal.siemens.com/productcert/html/ssa-265688.html).
- ICSA-25-044-09Siemens SCALANCE W700 IEEE 802.11ax2025-02-11icsa · cisa_csaf_otUS
SCALANCE W-700 IEEE 802.11ax family devices are affected by multiple vulnerabilities. Siemens has released new versions for the affected products and recommends to update to the latest versions.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (51)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2022-2663cnnvd
- https://cxsecurity.com/cveshow/CVE-2022-2663/cnnvd
- https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663cnnvd
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.htmlcnnvd
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlcnnvd
- https://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl%40dgl.cx/T/cnnvd
- https://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl@dgl.cx/T/cnnvd
- https://packetstormsecurity.com/files/169426/Debian-Security-Advisory-5257-1.htmlcnnvd
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