Attacker Value
Unknown
CVE-2023-20227
CVE-2023-20227
(Last updated January 25, 2024) ▾
MITRE ATT&CK
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Description
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.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
7.5 High
Impact Score:
3.6
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
General Information
Vendors
- cisco
Products
- ios xe 16.10.1,
- ios xe 16.10.1a,
- ios xe 16.10.1b,
- ios xe 16.10.1c,
- ios xe 16.10.1d,
- ios xe 16.10.1e,
- ios xe 16.10.1f,
- ios xe 16.10.1g,
- ios xe 16.10.1s,
- ios xe 16.10.2,
- ios xe 16.10.3,
- ios xe 16.11.1,
- ios xe 16.11.1a,
- ios xe 16.11.1b,
- ios xe 16.11.1s,
- ios xe 16.11.2,
- ios xe 16.12.1,
- ios xe 16.12.1a,
- ios xe 16.12.1c,
- ios xe 16.12.1s,
- ios xe 16.12.1t,
- ios xe 16.12.1w,
- ios xe 16.12.1x,
- ios xe 16.12.1y,
- ios xe 16.12.1z1,
- ios xe 16.12.1z2,
- ios xe 16.12.2,
- ios xe 16.12.2a,
- ios xe 16.12.2s,
- ios xe 16.12.3,
- ios xe 16.12.3s,
- ios xe 16.12.4,
- ios xe 16.12.4a,
- ios xe 16.12.5,
- ios xe 16.12.5a,
- ios xe 16.12.6,
- ios xe 16.12.6a,
- ios xe 16.12.7,
- ios xe 16.12.8,
- ios xe 16.8.1,
- ios xe 16.8.1a,
- ios xe 16.8.1b,
- ios xe 16.8.1c,
- ios xe 16.8.1d,
- ios xe 16.8.1e,
- ios xe 16.8.1s,
- ios xe 16.8.2,
- ios xe 16.8.3,
- ios xe 16.9.1,
- ios xe 16.9.1a,
- ios xe 16.9.1b,
- ios xe 16.9.1s,
- ios xe 16.9.2,
- ios xe 16.9.3,
- ios xe 16.9.4,
- ios xe 16.9.5,
- ios xe 16.9.5f,
- ios xe 16.9.6,
- ios xe 16.9.7,
- ios xe 16.9.8,
- ios xe 17.1.1,
- ios xe 17.1.1a,
- ios xe 17.1.1s,
- ios xe 17.1.1t,
- ios xe 17.1.3,
- ios xe 17.2.1,
- ios xe 17.2.1a,
- ios xe 17.2.1r,
- ios xe 17.2.1v,
- ios xe 17.2.2,
- ios xe 17.2.3,
- ios xe 17.3.1,
- ios xe 17.3.1a,
- ios xe 17.3.1w,
- ios xe 17.3.1x,
- ios xe 17.3.1z,
- ios xe 17.3.2,
- ios xe 17.3.2a,
- ios xe 17.3.3,
- ios xe 17.3.4,
- ios xe 17.3.4a,
- ios xe 17.3.4c,
- ios xe 17.3.5,
- ios xe 17.3.5a,
- ios xe 17.3.5b,
- ios xe 17.3.6,
- ios xe 17.3.7,
- ios xe 17.4.1,
- ios xe 17.4.1a,
- ios xe 17.4.1b,
- ios xe 17.4.2,
- ios xe 17.4.2a,
- ios xe 17.5.1,
- ios xe 17.5.1a,
- ios xe 17.5.1b,
- ios xe 17.5.1c
