CVE-2017-12243

Name: CVE-2017-12243
Creator: NVD / NIST
Published: 2017-11-02T16:29:00.193+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 77.07%

Last modified Jun 17, 2026

CVE-2017-12243 is a vulnerability of currently unknown severity. 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. EPSS estimates a 77.07% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

77.07%

99.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Unified Computing System Manager Firmware	All versions
Cisco	Firepower 9300 Security Appliance Firmware	All versions
Cisco	Firepower 4100 Next-Generation Firewall Firmware	All versions

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

Timeline

Published: Nov 2, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-12243?

How severe is CVE-2017-12243?

Severity scoring for CVE-2017-12243 is pending analysis. The EPSS model estimates a 77.07% probability of exploitation in the next 30 days.

How do I fix CVE-2017-12243?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-12243?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST