CVE-2021-34761

תיאור (מקור, אנגלית)

A vulnerability in Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to overwrite or append arbitrary data to system files using root-level privileges. The attacker must have administrative credentials on the device. This vulnerability is due to incomplete validation of user input for a specific CLI command. An attacker could exploit this vulnerability by authenticating to the device with administrative privileges and issuing a CLI command with crafted user parameters. A successful exploit could allow the attacker to overwrite or append arbitrary data to system files using root-level privileges.

מדדים

CVSS 3.1

6.0 (MEDIUM) מקור הציון: NVD CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-19/8/2026

CWE

CWE-73, CWE-668

מוצרים מושפעים

cisco: firepower management center virtual appliance; cisco: secure firewall threat defense; cisco: sourcefire defense center

קישורים

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa‮… Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa‮… Vendor Advisory