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CVE-2023-20227

CVE.org · Published

Historical CVEsJSONAI instructions

Record status
Published
Identifier year (not publication year)
2023
Source publication
Source updated
Imported by cveboard
Source snapshot
cve_2026-10-24_midnight_baseline ·

Plain text

CNA source text (English)

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.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

Cisco IOS XE Software

Vendor
Cisco
Product
Cisco IOS XE Software
Platforms
Unknown
Default status
Unknown
Cisco IOS XE Software · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
16.8.1affectedUnavailableUnavailableUnavailableNone listed
16.8.1aaffectedUnavailableUnavailableUnavailableNone listed
16.8.1baffectedUnavailableUnavailableUnavailableNone listed
16.8.1saffectedUnavailableUnavailableUnavailableNone listed
16.8.1caffectedUnavailableUnavailableUnavailableNone listed
16.8.1daffectedUnavailableUnavailableUnavailableNone listed
16.8.2affectedUnavailableUnavailableUnavailableNone listed
16.8.1eaffectedUnavailableUnavailableUnavailableNone listed
16.8.3affectedUnavailableUnavailableUnavailableNone listed
16.9.1affectedUnavailableUnavailableUnavailableNone listed
16.9.2affectedUnavailableUnavailableUnavailableNone listed
16.9.1aaffectedUnavailableUnavailableUnavailableNone listed
16.9.1baffectedUnavailableUnavailableUnavailableNone listed
16.9.1saffectedUnavailableUnavailableUnavailableNone listed
16.9.3affectedUnavailableUnavailableUnavailableNone listed
16.9.4affectedUnavailableUnavailableUnavailableNone listed
16.9.5affectedUnavailableUnavailableUnavailableNone listed
16.9.5faffectedUnavailableUnavailableUnavailableNone listed
16.9.6affectedUnavailableUnavailableUnavailableNone listed
16.9.7affectedUnavailableUnavailableUnavailableNone listed
16.9.8affectedUnavailableUnavailableUnavailableNone listed
16.10.1affectedUnavailableUnavailableUnavailableNone listed
16.10.1aaffectedUnavailableUnavailableUnavailableNone listed
16.10.1baffectedUnavailableUnavailableUnavailableNone listed
16.10.1saffectedUnavailableUnavailableUnavailableNone listed
16.10.1caffectedUnavailableUnavailableUnavailableNone listed
16.10.1eaffectedUnavailableUnavailableUnavailableNone listed
16.10.1daffectedUnavailableUnavailableUnavailableNone listed
16.10.2affectedUnavailableUnavailableUnavailableNone listed
16.10.1faffectedUnavailableUnavailableUnavailableNone listed
16.10.1gaffectedUnavailableUnavailableUnavailableNone listed
16.10.3affectedUnavailableUnavailableUnavailableNone listed
16.11.1affectedUnavailableUnavailableUnavailableNone listed
16.11.1aaffectedUnavailableUnavailableUnavailableNone listed
16.11.1baffectedUnavailableUnavailableUnavailableNone listed
16.11.2affectedUnavailableUnavailableUnavailableNone listed
16.11.1saffectedUnavailableUnavailableUnavailableNone listed
16.12.1affectedUnavailableUnavailableUnavailableNone listed
16.12.1saffectedUnavailableUnavailableUnavailableNone listed
16.12.1aaffectedUnavailableUnavailableUnavailableNone listed
16.12.1caffectedUnavailableUnavailableUnavailableNone listed
16.12.1waffectedUnavailableUnavailableUnavailableNone listed
16.12.2affectedUnavailableUnavailableUnavailableNone listed
16.12.1yaffectedUnavailableUnavailableUnavailableNone listed
16.12.2aaffectedUnavailableUnavailableUnavailableNone listed
16.12.3affectedUnavailableUnavailableUnavailableNone listed
16.12.8affectedUnavailableUnavailableUnavailableNone listed
16.12.2saffectedUnavailableUnavailableUnavailableNone listed
16.12.1xaffectedUnavailableUnavailableUnavailableNone listed
16.12.1taffectedUnavailableUnavailableUnavailableNone listed
16.12.4affectedUnavailableUnavailableUnavailableNone listed
16.12.3saffectedUnavailableUnavailableUnavailableNone listed
16.12.4aaffectedUnavailableUnavailableUnavailableNone listed
16.12.5affectedUnavailableUnavailableUnavailableNone listed
16.12.6affectedUnavailableUnavailableUnavailableNone listed
16.12.1z1affectedUnavailableUnavailableUnavailableNone listed
16.12.5aaffectedUnavailableUnavailableUnavailableNone listed
16.12.1z2affectedUnavailableUnavailableUnavailableNone listed
16.12.6aaffectedUnavailableUnavailableUnavailableNone listed
16.12.7affectedUnavailableUnavailableUnavailableNone listed
16.12.10aaffectedUnavailableUnavailableUnavailableNone listed
17.1.1affectedUnavailableUnavailableUnavailableNone listed
17.1.1aaffectedUnavailableUnavailableUnavailableNone listed
17.1.1saffectedUnavailableUnavailableUnavailableNone listed
17.1.1taffectedUnavailableUnavailableUnavailableNone listed
17.1.3affectedUnavailableUnavailableUnavailableNone listed
17.2.1affectedUnavailableUnavailableUnavailableNone listed
17.2.1raffectedUnavailableUnavailableUnavailableNone listed
17.2.1aaffectedUnavailableUnavailableUnavailableNone listed
17.2.1vaffectedUnavailableUnavailableUnavailableNone listed
17.2.2affectedUnavailableUnavailableUnavailableNone listed
17.2.3affectedUnavailableUnavailableUnavailableNone listed
17.3.1affectedUnavailableUnavailableUnavailableNone listed
17.3.2affectedUnavailableUnavailableUnavailableNone listed
17.3.3affectedUnavailableUnavailableUnavailableNone listed
17.3.1aaffectedUnavailableUnavailableUnavailableNone listed
17.3.1waffectedUnavailableUnavailableUnavailableNone listed
17.3.2aaffectedUnavailableUnavailableUnavailableNone listed
17.3.1xaffectedUnavailableUnavailableUnavailableNone listed
17.3.1zaffectedUnavailableUnavailableUnavailableNone listed
17.3.4affectedUnavailableUnavailableUnavailableNone listed
17.3.5affectedUnavailableUnavailableUnavailableNone listed
17.3.4aaffectedUnavailableUnavailableUnavailableNone listed
17.3.6affectedUnavailableUnavailableUnavailableNone listed
17.3.4caffectedUnavailableUnavailableUnavailableNone listed
17.3.5aaffectedUnavailableUnavailableUnavailableNone listed
17.3.5baffectedUnavailableUnavailableUnavailableNone listed
17.3.7affectedUnavailableUnavailableUnavailableNone listed
17.4.1affectedUnavailableUnavailableUnavailableNone listed
17.4.2affectedUnavailableUnavailableUnavailableNone listed
17.4.1aaffectedUnavailableUnavailableUnavailableNone listed
17.4.1baffectedUnavailableUnavailableUnavailableNone listed
17.4.2aaffectedUnavailableUnavailableUnavailableNone listed
17.5.1affectedUnavailableUnavailableUnavailableNone listed
17.5.1aaffectedUnavailableUnavailableUnavailableNone listed
17.5.1baffectedUnavailableUnavailableUnavailableNone listed
17.5.1caffectedUnavailableUnavailableUnavailableNone listed