Missing Authentication for Critical Function in Cisco Systems, Inc products - CVE-2026-20357
Published: August 19, 2026
Vulnerability identifier: #VU144387
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20357
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication and execute arbitrary code.
The vulnerability exists due to missing authentication for critical function in a critical function when handling requests. A remote attacker can send a crafted request to bypass authentication and execute arbitrary code.
Affected software
Crosswork Data Gateway
Crosswork Network Controller
Crosswork Planning
Crosswork Network Controller
Crosswork Planning
How to mitigate CVE-2026-20357
Install security update from vendor's website.
Crosswork Data Gateway - update to 7.2.1-SP
Crosswork Network Controller - update to 7.2.1-SP
Crosswork Planning - update to 7.2.1-SP
Crosswork Network Controller - update to 7.2.1-SP
Crosswork Planning - update to 7.2.1-SP