Vulnerability in Cisco Adaptive Security Appliance (Asa) Software
CVE-2023-20234
A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to create a file or overwrite any file on the filesystem of an affected device, including system files. The vulnerability occurs because there is no validation of parameters when a specific CLI command is used. An attacker could exploit this vulnerability by authenticating to an affected device and using the command at the CLI. A successful exploit could allow the attacker to overwrite any file on the disk of the affected device, including system files. The attacker must have valid administrative credentials on the affected device to exploit this vulnerability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.002 (7.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Cisco Adaptive Security Appliance (Asa) Software — versions 9.8.2, 9.8.2.8, 9.8.2.14
- Cisco Firepower Extensible Operating System (Fxos) — versions 2.2.1.63, 2.2.1.66, 2.2.1.70
- Cisco Firepower Threat Defense Software — versions 6.2.3, 6.2.3.1, 6.2.3.2
- Cisco Firepower 1000
- Cisco Firepower 1010
- Cisco Firepower 1020
- Cisco Firepower 1030
- Cisco Firepower 1040
- Cisco Firepower 2100
- Cisco Firepower 2110
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2023-20234?
- CVE-2023-20234 is a medium-severity vulnerability in Cisco Adaptive Security Appliance (Asa) Software, classified under External Control of File Name or Path. CVSS score: 4.4/10. Published 2023-08-23.
- How severe is CVE-2023-20234?
- Medium severity. CVSS v3 base score is 4.4 out of 10.