CVE-2019-1606: cisco nexus 3000 series switches Command Injection
Vulnerability summary
CVE-2019-1606 is a high (CVSS 7.8) Command Injection vulnerability in cisco nexus 3000 series switches. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.5% of scored vulnerabilities.
Timeline
- 08-03-2019PublishedVulnerability first disclosed.
- 21-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system of an affected device. The vulnerability is due to insufficient validation of arguments passed to certain CLI commands. An attacker could exploit this vulnerability by including malicious input as the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with elevated privileges. An attacker would need valid user credentials to exploit this vulnerability. Nexus 3000, 3500, and Nexus 9000 Series Switches in Standalone NX-OS Mode are affected in versions prior to 7.0(3)I7(4).
CVSS metrics
4 scores · 2 sources · 3 versions- NVDNIST5.3MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS trend
Probability
0.47%
Chance of exploitation in the next 30 days
Percentile
40%
Versus all other CVEs
30-day change
0.00 pp
From 0.47% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
- CWE-88Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string.
Affected systems
Cisco4 products
- nexus 3000 series switches≥ unspecified, < 7.0(3)I7(4)
- nexus 3500 platform switches≥ unspecified, < 7.0(3)I7(4)
- nexus 9000 series switches in standalone nx-os mode≥ unspecified, < 7.0(3)I7(4)
- nx-os≥ 7.0\(3\)i7, < 7.0\(3\)i7\(4\) | ≥ 7.0\(3\), < 7.0\(3\)i7\(4\)
1 vendor · 4 products
References
2 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-cmdinj-1606Vendor AdvisoryX Refsource CISCOPatch