Vulnerability in Cisco 1000_integrated_services_router
CVE-2023-20227
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 i…
EPSS: 0.007 (47.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Cisco 1000_integrated_services_router
- Cisco 1100-4g_integrated_services_router
- Cisco 1100-4gltegb_integrated_services_router
- Cisco 1100-4gltena_integrated_services_router
- Cisco 1100-6g_integrated_services_router
- Cisco 4221_integrated_services_router
- Cisco 4321_integrated_services_router
- Cisco 4321\/k9_integrated_services_router
- Cisco 4321\/k9-rf_integrated_services_router
- Cisco 4321\/k9-ws_integrated_services_router
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-20227?
- CVE-2023-20227 is a high-severity vulnerability in Cisco 1000_integrated_services_router, classified under CWE-388. CVSS score: 8.6/10. Published 2023-09-27.
- How severe is CVE-2023-20227?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2023-20227 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.