CVE-2017-12333
CVSS V2 Medium 4.6
CVSS V3 Medium 6.7
Description
A vulnerability in Cisco NX-OS System Software could allow an authenticated, local attacker to bypass signature verification when loading a software image. The vulnerability is due to insufficient NX-OS signature verification for software images. An authenticated, local attacker could exploit this vulnerability to bypass signature verification and load a crafted, unsigned software image on a targeted device. The attacker would need valid administrator credentials to perform this exploit. This vulnerability affects the following products running Cisco NX-OS System Software: Multilayer Director Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Unified Computing System Manager. Cisco Bug IDs: CSCvf25045, CSCvf31495.
Overview
- CVE ID
- CVE-2017-12333
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Modified
- Published Version
- 2017-11-30T09:29:00
- Last Modified Date
- 2017-12-15T02:29:03
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:cisco:nx-os:8.1\(1\):*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:unified_computing_system:7.0\(0\)hsk\(0.357\):*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.6
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.4
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-20171129-nxos2 | Vendor Advisory |
| http://www.securitytracker.com/id/1039933 | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/bid/102161 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-12333 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12333 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 08:09:04 | Added to TrackCVE | |||
| 2022-12-02 23:32:25 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-02 23:32:25 | 2017-11-30T09:29Z | 2017-11-30T09:29:00 | CVE Published Date | updated |
| 2022-12-02 23:32:25 | 2017-12-15T02:29:03 | CVE Modified Date | updated | |
| 2022-12-02 23:32:25 | Modified | Vulnerability Status | updated |