CVE-2019-1811 | BDVDB-2026-116405 Detail

CiscoCisco NX-OS Software

Description#

A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because software digital signatures are not properly verified during CLI command execution. An attacker could exploit this vulnerability to install an unsigned software image on an affected device.

Impact#

Per CVSS v3.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-347

References#

Exploit#

No public exploit known

History#

Version 12019-05-15Record published in the CVE List.
Version 22024-11-20Most recent update recorded in the CVE List.

Published

Published: 2019-05-15
Last modified: 2024-11-20

Vendor information

Vendor: Cisco
Product: Cisco NX-OS Software

All Cisco vulnerabilities

Score

6.7 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 18.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 8.3(1)
Fixed
8.3(1)

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

6.7 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).