Buffer overflow in Cisco Nx-os Software
CVE-2023-20168
A vulnerability in TACACS+ and RADIUS remote authentication for Cisco NX-OS Software could allow an unauthenticated, local attacker to cause an affected device to unexpectedly reload. This vulnerability is due to incorrect input validation…
Vulnerability class: Buffer Overflow
EPSS: 0.002 (10.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Cisco Nx-os Software — versions 4.2(1)SV1(4), 4.2(1)SV1(4a), 4.2(1)SV1(4b)
- Cisco Mds_9000
- Cisco Mds_9100
- Cisco Mds_9132t
- Cisco Mds_9134
- Cisco Mds_9140
- Cisco Mds_9148
- Cisco Mds_9148s
- Cisco Mds_9148t
- Cisco Mds_9200
Weakness classification (CWE)
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-20168?
- CVE-2023-20168 is a high-severity vulnerability in Cisco Nx-os Software, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.1/10. Published 2023-08-23.
- How severe is CVE-2023-20168?
- High severity. CVSS v3 base score is 7.1 out of 10.