CVE-2023-20227
highPriorität · verfolgen · 30EPSS 0.009 · 58. PerzentilDEEURUUSEPSS · bewertet 2026-10-27
A vulnerability in the Layer 2 Tunneling Protocol (L2TP) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of certain L2TP packets. An attacker could exploit this vulnerability by sending crafted L2TP packets to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition. Note: Only traffic directed to the affected system can be used to exploit this vulnerability.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- Behoben16.10.1cisco_csaf
Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben16.11.1acisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben16.11.1bcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben16.11.1ccisco_csaf
Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben16.12.10acisco_csaf
Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben16.12.1ccisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben16.12.1scisco_csaf
Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben16.8.1bcisco_csaf
Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben16.9.1acisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben16.9.1bcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben16.9.1ccisco_csaf
Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben16.9.8acisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben16.9.8bcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben17.1.1cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben17.1.1acisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben17.1.1scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben17.1.1tcisco_csaf
Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben17.3.4acisco_csaf
Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben17.3.5cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben17.3.5acisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben17.3.5bcisco_csaf
Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben17.4.1acisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben17.4.1bcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben17.4.2cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben17.4.2acisco_csaf
Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
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Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 6.9–8.6
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (302)
Betroffene Produkte und Versionsbereiche.
Advisories (2)
Hersteller- und Ökosystem-Meldungen dazu.
- WID-SEC-W-2023-2509Cisco IOS XE: Mehrere SchwachstellenDeutsch2023-09-27csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Cisco IOS XE ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen oder beliebigen Code auszuführen.
- cisco-sa-ios-xe-l2tp-dos-eB5tuFmVCisco IOS XE Software Layer 2 Tunneling Protocol Denial of Service Vulnerability2023-09-27csaf · cisco_csafUS
A vulnerability in the Layer 2 Tunneling Protocol (L2TP) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of certain L2TP packets. An attacker could exploit this vulnerability by sending crafted L2TP packets to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition. Note: Only traffic directed to the affected system can be used to exploit this vulnerability. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is part of the September 2023 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: September 2023 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74916"].
auch bekannt als (4)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (4)
Externe Belege — Patches, Meldungen, Analysen.
- https://cxsecurity.com/cveshow/CVE-2023-20227/cnnvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-l2tp-dos-eB5tuFmVcnnvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-l2tp-dos-eB5tuFmVenisa_euvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-l2tp-dos-eB5tuFmVMitigationVendor Advisorynvd
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