#VU20430 Input validation error in Cisco Systems, Inc products - CVE-2019-1936
Vulnerability identifier: #VU20430
Vulnerability risk: Medium
CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
Cisco UCS Director Express for Big Data
Server applications /
Other server solutions
Cisco UCS Director
Server applications /
Other server solutions
Cisco Integrated Management Controller Supervisor
Web applications /
Remote management & hosting panels
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The vulnerability exists due to insufficient validation of user-supplied input by the web-based management interface. A remote authenticated administrator can log in to the web-based management interface, send a malicious request to a certain part of the interface and execute arbitrary commands on the underlying Linux shell.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Cisco UCS Director Express for Big Data: 3.0.0.0 - 3.7.1.0
Cisco UCS Director: 6.0.0.0 - 6.7.1.0
Cisco Integrated Management Controller Supervisor: 2.1 - 2.2.0.6
External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-imcs-ucs-cmdinj
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.
