Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2019-1813

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
15/05/2019
Last modified:
24/03/2023

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

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.70 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
6.70
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
7.20
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* 7.0\(3\)i1\(x\) (including) 7.0\(3\)i7\(5\) (excluding)
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* 9.2 (including) 9.2\(2\) (excluding)
cpe:2.3:h:cisco:nexus_3048:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_31108pc-v:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_31108tc-v:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_31128pq:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_3132c-z:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_3132q-v:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_3132q-x\/3132q-xl:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_3164q:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_3172pq\/pq-xl:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_3172tq-xl:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_3232c:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_3264c-e:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_3264q:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools