CVE-2026-20017: cisco cisco secure firewall threat defense (ftd) software Execution with Unnecessary Privileges
Vulnerability summary
CVE-2026-20017 is a medium (CVSS 6.0) Execution with Unnecessary Privileges vulnerability in cisco cisco secure firewall threat defense (ftd) software. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6% of scored vulnerabilities.
Timeline
- 04-03-2026PublishedVulnerability first disclosed.
- 05-03-2026Last modifiedVulnerability information updated.
Description
A vulnerability in the CLI of Cisco Secure FTD Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system as root. To exploit this vulnerability, the attacker must have valid administrative credentials on an affected device. This vulnerability is due to insufficient input validation of user-supplied command arguments. An attacker could exploit this vulnerability by submitting crafted input for a specific CLI command. A successful exploit could allow the attacker to execute commands on the underlying operating system as root.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST6.0MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
6%
Versus all other CVEs
30-day change
+0.01 pp
From 0.16% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco2 products
- cisco secure firewall threat defense (ftd) software6.4.0.1 | 6.4.0.2 | 6.4.0.5 | 6.4.0 | 6.4.0.3 | 6.4.0.4 | 6.4.0.6 | 6.4.0.7 | 6.4.0.8 | 6.4.0.9 | 6.4.0.10 | 6.4.0.11 | 6.4.0.12 | 7.0.0 | 7.0.0.1 | 7.0.1 | 7.1.0 | 6.4.0.13 | 7.0.1.1 | 6.4.0.14 | 7.1.0.1 | 7.0.2 | 6.4.0.15 | 7.2.0 | 7.0.2.1 | 7.0.3 | 7.1.0.2 | 7.2.0.1 | 7.0.4 | 7.2.1 | 7.0.5 | 6.4.0.16 | 7.3.0 | 7.2.2 | 7.2.3 | 7.3.1 | 7.1.0.3 | 7.2.4 | 7.0.6 | 7.2.5 | 7.2.4.1 | 7.3.1.1 | 7.4.0 | 6.4.0.17 | 7.0.6.1 | 7.2.5.1 | 7.4.1 | 7.2.6 | 7.0.6.2 | 7.4.1.1 | 6.4.0.18 | 7.2.7 | 7.2.5.2 | 7.3.1.2 | 7.2.8 | 7.6.0 | 7.4.2 | 7.2.8.1 | 7.0.6.3 | 7.4.2.1 | 7.2.9 | 7.0.7 | 7.7.0 | 7.4.2.2 | 7.2.10 | 7.6.1 | 7.4.2.3 | 7.0.8 | 7.6.2 | 7.7.10 | 7.0.8.1 | 7.6.2.1 | 7.7.10.1 | 7.4.2.4 | 7.2.10.2 | 7.4.3
- secure_firewall_threat_defense≥ 6.4.0, ≤ 6.4.0.18 | ≥ 7.0.0, ≤ 7.0.8.1 | ≥ 7.1.0, ≤ 7.1.0.3 | ≥ 7.2.0, ≤ 7.2.10 | ≥ 7.3.0, ≤ 7.3.1.2 | ≥ 7.4.0, ≤ 7.4.3 | ≥ 7.6.0, ≤ 7.6.2.1 | ≥ 7.7.0, ≤ 7.7.10.1 | 7.2.10.2
1 vendor · 2 products