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Fencer Vulns
high 7.8

CVE-2017-12243 in the critical feed json

A vulnerability in the Cisco Unified Computing System (UCS) Manager, Cisco Firepower 4100 Series Next-Generation Firewall (NGFW), and Cisco…

published 2017-11-02 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-3816

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
77.1%
EPSS 77.1% chance of exploitation in 30 days, percentile 99.5%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-44052)
  2. Published

Exploit prediction

77.07% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-44052 Cisco UCS Platform Emulator 3.1(2ePE1) - Remote Code Execution remote, 2017-11-01

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • n/a Cisco UCS Manager, Cisco Firepower 4100 Series NGFW, and Cisco Firepower 9300 Security Appliance

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.