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Vulnerability record · CVE-2015-6435 · published 22 January 2016

CVE-2015-6435: Cisco firepower extensible operating system os command injection vulnerability

Cisco · Firepower Extensible Operating System

An unspecified CGI script in Cisco FX-OS before 1.1.2 on Firepower 9000 devices and Cisco Unified Computing System (UCS) Manager before 2.2(4b), 2.2(5) before 2.2(5a), and 3.0 before 3.0(2e) allows remote attackers to execute arbitrary shell commands via a crafted HTTP request, aka Bug ID CSCur90888.

9.8 CVSS 3.0 Critical EPSS 8.7% · top 5.0% CWE-78 · OS command injection
9.8CVSS 3.0 base score, v2 10.0
8.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An unspecified CGI script in Cisco FX-OS before 1.1.2 on Firepower 9000 devices and Cisco Unified Computing System (UCS) Manager before 2.2(4b), 2.2(5) before 2.2(5a), and 3.0 before 3.0(2e) allows remote attackers to execute arbitrary shell commands via a crafted HTTP request, aka Bug ID CSCur90888.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2021-44228Apache Log4j2 JNDI lookup remote code executionApache Log4j2 versions 2.0-beta9 through 2.15.0 (excluding 2.12.2, 2.12.3, and 2.3.1) do not protect against attacker-controlled LDAP and other JNDI …KEVEPSS 100%analysed9.8CVE-2018-0310Cisco nx-os out-of-bounds read vulnerabilityA vulnerability in the Cisco Fabric Services component of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, remote attacke…EPSS 4.1%8.8CVE-2026-20200Cisco unified computing system vulnerabilityA vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with low privileges to execute arbit…EPSS 0.73%8.8CVE-2026-20094Cisco unified computing system command injection vulnerabilityA vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with read-only privileges to perform…EPSS 1.1%8.8CVE-2021-1368Cisco nx-os out-of-bounds write vulnerabilityA vulnerability in the Unidirectional Link Detection (UDLD) feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, a…EPSS 0.46%8.8CVE-2020-3456Cisco firepower extensible operating system cross-site request forgery vulnerabilityA vulnerability in the Cisco Firepower Chassis Manager (FCM) of Cisco FXOS Software could allow an unauthenticated, remote attacker to conduct a cros…EPSS 0.56%8.8CVE-2020-3172Cisco firepower extensible operating system improper input validation vulnerabilityA vulnerability in the Cisco Discovery Protocol feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent atta…EPSS 1.9%8.8CVE-2019-1907Cisco unified computing system improper authorization vulnerabilityA vulnerability in the web server of Cisco Integrated Management Controller (IMC) could allow an authenticated, remote attacker to set sensitive conf…EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-2015-6435), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.