CVE-2019-1808

CVSS V2 Low 2.1 CVSS V3 Medium 4.4
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 patch on an affected device. The vulnerability is due to improper verification of digital signatures for patch images. An attacker could exploit this vulnerability by loading an unsigned software patch on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.
Overview
  • CVE ID
  • CVE-2019-1808
  • Assigner
  • ykramarz@cisco.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-05-15T23:29:01
  • Last Modified Date
  • 2023-03-24T17:46:15
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 7.3 8.1\(1a\)
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* 1 OR 8.2 8.3\(1\)
cpe:2.3:h:cisco:mds_9706:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:mds_9710:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:mds_9718:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* 1 OR 7.2 7.3\(3\)d1\(1\)
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* 1 OR 8.0 8.2\(3\)
cpe:2.3:h:cisco:7000_10-slot:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:7000_18-slot:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:7000_4-slot:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:7000_9-slot:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:7700_10-slot:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:7700_18-slot:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:7700_2-slot:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:7700_6-slot:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:n77-f312ck-26:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:n77-f324fq-25:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:n77-f348xp-23:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:n77-f430cq-36:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:n77-m312cq-26l:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:n77-m324fq-25l:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:n77-m348xp-23l:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:n7k-f248xp-25e:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:n7k-f306ck-25:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:n7k-f312fq-25:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:n7k-m202cf-22l:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:n7k-m206fq-23l:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:n7k-m224xp-23l:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:n7k-m324fq-25l:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:n7k-m348xp-25l:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_7000_supervisor_1:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_7000_supervisor_2:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_7000_supervisor_2e:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_7700_supervisor_2e:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_7700_supervisor_3e:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:P/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-spsv Vendor Advisory
http://www.securityfocus.com/bid/108367 Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-1808
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1808
History
Created Old Value New Value Data Type Notes
2022-05-10 17:02:58 Added to TrackCVE
2022-12-03 20:44:30 psirt@cisco.com ykramarz@cisco.com CVE Assigner updated
2022-12-03 20:44:30 2019-05-15T23:29Z 2019-05-15T23:29:01 CVE Published Date updated
2022-12-03 20:44:30 2019-10-09T23:48:13 CVE Modified Date updated
2022-12-03 20:44:30 Modified Vulnerability Status updated
2023-01-25 18:08:17 Modified Undergoing Analysis Vulnerability Status updated
2023-03-27 14:09:53 2023-03-24T17:46:15 CVE Modified Date updated
2023-03-27 14:09:53 Undergoing Analysis Analyzed Vulnerability Status updated