CVE-2019-1811

CVSS V2 High 7.2 CVSS V3 Medium 6.7

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.

Overview

CVE ID
CVE-2019-1811

Assigner
ykramarz@cisco.com

Vulnerability Status
Analyzed

Published Version
2019-05-15T23:29:01

Last Modified Date
2023-03-24T18:14:58

Weakness Enumerations

CWE	URL
CWE-347	http://cwe.mitre.org/data/definitions/347.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
		AND
cpe:2.3:o:cisco:nx-os::::::::	1	OR	6.0\(2\)	7.0\(3\)i7\(5\)
cpe:2.3:o:cisco:nx-os::::::::	1	OR	9.2	9.2\(2\)
cpe:2.3:h:cisco:nexus_3048:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_31108pc-v:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_31108tc-v:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_31128pq:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3132c-z:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3132q-v:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3132q-x\/3132q-xl:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3164q:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3172pq\/pq-xl:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3172tq-xl:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3232c:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3264c-e:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3264q:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3408-s:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_34180yc:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3432d-s:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3464c:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3524-x\/xl:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3548-x\/xl:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_36180yc-r:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3636c-r:-:::::::*	0	OR
		AND
cpe:2.3:o:cisco:nx-os::::::::	1	OR	7.0\(3\)	7.0\(3\)f3\(5\)
cpe:2.3:o:cisco:nx-os::::::::	1	OR	9.2	9.2\(2\)
cpe:2.3:h:cisco:n9k-c9504-fm-r:-:::::::*	0	OR
cpe:2.3:h:cisco:n9k-c9508-fm-r:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_36180yc-r:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_3636c-r:-:::::::*	0	OR
		AND
cpe:2.3:o:cisco:nx-os::::::::	1	OR		7.0\(3\)i7\(5\)
cpe:2.3:o:cisco:nx-os::::::::	1	OR	9.2	9.2\(2\)
cpe:2.3:h:cisco:9432pq:-:::::::*	0	OR
cpe:2.3:h:cisco:9536pq:-:::::::*	0	OR
cpe:2.3:h:cisco:9636pq:-:::::::*	0	OR
cpe:2.3:h:cisco:9736pq:-:::::::*	0	OR
cpe:2.3:h:cisco:n9k-x9432c-s:-:::::::*	0	OR
cpe:2.3:h:cisco:n9k-x9464px:-:::::::*	0	OR
cpe:2.3:h:cisco:n9k-x9464tx2:-:::::::*	0	OR
cpe:2.3:h:cisco:n9k-x9564px:-:::::::*	0	OR
cpe:2.3:h:cisco:n9k-x9564tx:-:::::::*	0	OR
cpe:2.3:h:cisco:n9k-x9636c-r:-:::::::*	0	OR
cpe:2.3:h:cisco:n9k-x9636c-rx:-:::::::*	0	OR
cpe:2.3:h:cisco:n9k-x97160yc-ex:-:::::::*	0	OR
cpe:2.3:h:cisco:n9k-x9732c-ex:-:::::::*	0	OR
cpe:2.3:h:cisco:n9k-x9732c-fx:-:::::::*	0	OR
cpe:2.3:h:cisco:n9k-x9736c-ex:-:::::::*	0	OR
cpe:2.3:h:cisco:n9k-x9736c-fx:-:::::::*	0	OR
cpe:2.3:h:cisco:n9k-x9788tc-fx:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_92160yc-x:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_92300yc:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_93108tc-ex:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_93108tc-fx:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_93120tx:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_9316d-gx:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_93180lc-ex:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_93180yc-ex:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_93180yc-fx:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_93216tc-fx2:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_93240yc-fx2:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_9332c:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_93360yc-fx2:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_9336c-fx2:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_9348gc-fxp:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_93600cd-gx:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_9364c:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_9500_supervisor_a:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_9500_supervisor_a\+:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_9500_supervisor_b:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_9500_supervisor_b\+:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_9504:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_9508:-:::::::*	0	OR
cpe:2.3:h:cisco:nexus_9516:-:::::::*	0	OR
cpe:2.3:h:cisco:x9636q-r:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
7.2

Severity
HIGH

Exploitability Score
3.9

Impact Score
10

CVSS Version 3

Version
3.0

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
HIGH

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
6.7

Base Severity
MEDIUM

Exploitability Score
0.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-sisv2	Vendor Advisory
http://www.securityfocus.com/bid/108425

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2019-1811
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1811

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:51:45				Added to TrackCVE
2022-12-03 20:44:42	psirt@cisco.com	ykramarz@cisco.com	CVE Assigner	updated
2022-12-03 20:44:42	2019-05-15T23:29Z	2019-05-15T23:29:01	CVE Published Date	updated
2022-12-03 20:44:42		2019-05-23T09:29:00	CVE Modified Date	updated
2022-12-03 20:44:42		Modified	Vulnerability Status	updated
2023-01-25 18:08:17	Modified	Undergoing Analysis	Vulnerability Status	updated
2023-03-27 14:09:53		2023-03-24T18:14:58	CVE Modified Date	updated
2023-03-27 14:09:53	Undergoing Analysis	Analyzed	Vulnerability Status	updated