Vulnerability · Published Aug 23, 2023 · Assigned by cisco

CVE-2023-20234

Medium 4.4

In plain English

A medium-severity security flaw in Cisco Adaptive Security Appliance (ASA) Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).

Severity (CVSS 3.1)4.4Medium
Exploit odds (30 days)0.2%top 92.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.29.8.2.89.8.2.149.8.2.159.8.2.179.8.2.209.8.2.249.8.2.26
Cisco Cisco Firepower Threat Defense Software 6.2.36.2.3.16.2.3.26.2.3.36.2.3.46.2.3.56.2.3.66.2.3.7
Cisco Cisco Firepower Extensible Operating System (FXOS) 2.2.1.632.2.1.662.2.1.702.2.2.172.2.2.192.2.2.242.2.2.262.2.2.28

Weakness: CWE-73 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

References