Cisco Secure Firewall Threat Defense
CVE-2021-1488
A vulnerability in the upgrade process of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to inject commands that could be executed with root privileges on the underlying operating system (OS). This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by uploading a crafted upgrade package file to an affected device. A successful exploit could allow the attacker to inject commands that could be executed with root privileges on the underlying OS.
What this means for your business
- It affects Cisco Secure Firewall Threat Defense. It matters if your company, or a supplier that handles your data, runs it.
- An attacker can use it only with access to the machine itself, with an administrator login, and without anyone at your company clicking anything.
- FIRST's prediction model gives it a 0.3% chance of attack attempts being seen in the next 30 days, ranking above 17% of all known flaws.
What to do
- 1Check whether your company or your suppliers run Cisco Secure Firewall Threat Defense, and which version. The affected versions are listed further down this page.
- 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.
Not sure if your company is exposed?
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Scoring
- CVSS
- 6.7 (v3.1)
- Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H- Weakness
- CWE-77
- Assigned by
- psirt@cisco.com
Dates
- Published
- 2021-04-29
- Last modified
- 2026-08-11
- Sources
- NVD
Affected products
- Cisco Secure Firewall Threat Defense6.5.0 - 6.6.4, 6.7.0 - 6.7.0.2
- Cisco Adaptive Security Appliance Software9.13 - 9.13.1.21, 9.14 - 9.14.2.13, 9.15 - 9.15.1.10
- Cisco Firepower 1010all versions
- Cisco Firepower 1120all versions
- Cisco Firepower 1140all versions
- Cisco Firepower 1150all versions
- Cisco Firepower 2110all versions
- Cisco Firepower 2120all versions
- Cisco Firepower 2130all versions
- Cisco Firepower 2140all versions
As listed in the NVD configuration data. Not a statement about your estate.