CVE-2017-12243
A vulnerability in the Cisco Unified Computing System (UCS) Manager, Cisco Firepower 4100 Series Next-Generation Firewall (NGFW), and Cisco Firepower 9300 Security Appliance could allow an authenticated, local attacker to obtain root shell privileges on…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 77.1%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
A vulnerability in the Cisco Unified Computing System (UCS) Manager, Cisco Firepower 4100 Series Next-Generation Firewall (NGFW), and Cisco Firepower 9300 Security Appliance could allow an authenticated, local attacker to obtain root shell privileges on the device, aka Command Injection. The vulnerability is due to improper validation of string input in the shell application. An attacker could exploit this vulnerability through the use of malicious commands. A successful exploit could allow the attacker to obtain root shell privileges on the device. Cisco Bug IDs: CSCvf20741, CSCvf60078.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 77.07% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · first 1 November 2017
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- cisco/unified computing system manager firmware · cisco/firepower 9300 security appliance firmware · cisco/firepower 4100 next-generation firewall firmware
- Source
- psirt@cisco.com
EPSS moved from 72.2% on 21 September 2026 to 77.1% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.securityfocus.com/bid/101652Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039719Third Party Advisory, VDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-arceVendor Advisory
- http://www.securityfocus.com/bid/101652Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039719Third Party Advisory, VDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-arceVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.