What is CVE-2023-20227?

CVE-2023-20227 is a high-severity vulnerability in Cisco Ios Xe Software, 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.

Vulnerability in Cisco Ios Xe Software

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: 0.004 (58.5th 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 Ios Xe Software — versions 16.8.1, 16.8.1a, 16.8.1b

Weakness classification (CWE)

CWE-388

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cisco-sa-ios-xe-l2tp-dos-eB5tuFmV

Frequently asked questions

What is CVE-2023-20227?: CVE-2023-20227 is a high-severity vulnerability in Cisco Ios Xe Software, 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.