CVE-2026-20136
MEDIUMDescription
A vulnerability in the CLI of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, local attacker with administrative privileges to perform a command injection attack on the underlying operating system and elevate privileges to root. This vulnerability is due to insufficient validation of user supplied input. An attacker could exploit this vulnerability by providing crafted input to a specific CLI command. A successful exploit could allow the attacker to elevate their privileges to root on the underlying operating system.
How to fix
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Exploit Intelligence
Low risk: more likely to be exploited than 39% of all known CVEs.
References
Related Vulnerabilities
Other CWE-116 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2024-38475 | Critical | 9.1 | 100% | KEV | Fix |
| CVE-2022-36446 | Critical | 9.8 | 96% | - | Fix |
| CVE-2021-31806 | Medium | 6.5 | 96% | - | Fix |
| CVE-2022-30781 | High | 7.5 | 88% | - | Fix |
| CVE-2022-36099 | Critical | 9.9 | 76% | - | Fix |
| CVE-2022-36100 | Critical | 9.9 | 74% | - | Fix |
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Markdown
[](https://tridentstack.com/cve/CVE-2026-20136)HTML
<a href="https://tridentstack.com/cve/CVE-2026-20136"><img src="https://tridentstack.com/cve/badge/CVE-2026-20136.svg" alt="CVE-2026-20136"></a>Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-02.