Vulnerability · Published Aug 5, 2026 · Assigned by cisco
CVE-2026-20200Cisco Integrated Management Controller Argument Injection and Remote Code Execution Vulnerability
High 8.8
In plain English
A high-severity security flaw in Cisco Unified Computing System (Standalone) from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official description
A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with low privileges to execute arbitrary commands on the underlying operating system of an affected system and elevate privileges to root. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by entering crafted inputs to the web-based management interface of the affected software. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system as the root user.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Unified Computing System (Standalone) | 4.3(1.230097)4.3(1.230124)4.3(1.230138)4.3(2.230207)4.3(2.230270)4.3(2.240002)4.3(3.240022)4.3(3.240043) |
Weakness: CWE-141 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H