What is the CVSS score of CVE-2017-12243?

CVE-2017-12243 has a CVSS 3.0 base score of 7.8 (High). CVSS vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 40.2%.

Is there a public PoC exploit available for CVE-2017-12243?

Yes, a public proof-of-concept exploit is available for CVE-2017-12243. Prioritise patching immediately. EPSS: 40.2%.

Unified Computing System Manager Firmware CVE-2017-12243

HIGH

OS Command Injection (CWE-78)

2017-11-02 psirt@cisco.com

Cisco Command Injection Unified Computing System Manager Firmware Firepower 9300 Security Appliance Firmware Firepower 4100 Next Generation Firewall Firmware

7.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Nov 02, 2017 - 16:29 cve.org

HIGH 7.8

DescriptionCVE.org

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.

AnalysisAI

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. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and EPSS exploitation probability 40.2%.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. 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. Affected products include: Cisco Unified Computing System Manager Firmware, Cisco Firepower 9300 Security Appliance Firmware, Cisco Firepower 4100 Next-Generation Firewall Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.