Cisco NX-OS Software CLI Command Injection Vulnerability (CVE-2019-1610)

published 2019-03-11 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-10167

cvss: 4.2; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits: 0; none known

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 administrator credentials to exploit this vulnerability. Nexus 3500 Platform Switches and Nexus 3000 Series Switches software versions prior to 7.0(3)I7(4) are affected.

Patch / fix

fixed in 2

Cisco Nexus 3500 Platform Switches 7.0(3)I7(4)
Cisco Nexus 3000 Series Switches 7.0(3)I7(4)

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-11-21)

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	4.2	CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
NVD	3.1	6.7	CVSS:3.1/AV:L/AC:L/PR:H/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

Cisco Nexus 3500 Platform Switches
Cisco Nexus 3000 Series Switches

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command
CWE-88 Improper Neutralization of Argument Delimiters in a Command

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-cmdinj-1610
vendor-advisory
securityfocus.com /bid/107338
vdb-entry, third-party-advisory

Sources

CVE List CVE-2019-1610
NVD CVE-2019-1610

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.

Summary