NULL pointer dereference in Cisco Integrated Management Controller - CVE-2019-1900
Published: August 29, 2019
Vulnerability identifier: #VU20449
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-1900
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists in the web server due to insufficient validation of user-supplied input on the web interface. A remote attacker can submit a specially crafted HTTP request to certain endpoints of the affected software and crash the web server.
Physical access to the device may be required for a restart.
Note: This vulnerability affects Cisco UCS C-Series and S-Series Servers in standalone mode if they are running a vulnerable release of Cisco IMC Software.
Affected software
Cisco Integrated Management Controller
How to mitigate CVE-2019-1900
Install updates from vendor's website.
Cisco Integrated Management Controller - update to 4.0.2f