Vulnerability Details : CVE-2017-12230
A vulnerability in the web-based user interface (web UI) of Cisco IOS XE 16.2 could allow an authenticated, remote attacker to elevate their privileges on an affected device. The vulnerability is due to incorrect default permission settings for new users who are created by using the web UI of the affected software. An attacker could exploit this vulnerability by using the web UI of the affected software to create a new user and then logging into the web UI as the newly created user. A successful exploit could allow the attacker to elevate their privileges on the affected device. This vulnerability affects Cisco devices that are running a vulnerable release Cisco IOS XE Software, if the HTTP Server feature is enabled for the device. The newly redesigned, web-based administration UI was introduced in the Denali 16.2 Release of Cisco IOS XE Software. This vulnerability does not affect the web-based administration UI in earlier releases of Cisco IOS XE Software. Cisco Bug IDs: CSCuy83062.
Products affected by CVE-2017-12230
- cpe:2.3:o:cisco:ios_xe:16.2.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-12230
0.23%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-12230
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2017-12230
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Assigned by: ykramarz@cisco.com (Secondary)
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During installation, installed file permissions are set to allow anyone to modify those files.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-12230
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https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-privesc
Cisco IOS XE Software Web UI Privilege Escalation VulnerabilityVendor Advisory
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http://www.securitytracker.com/id/1039446
Cisco IOS XE Web User Interface Default Permissions Error Lets Remote Authenticated Users Gain Elevated Privileges - SecurityTrackerThird Party Advisory;VDB Entry
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http://www.securityfocus.com/bid/101036
Cisco IOS XE Software CVE-2017-12230 Privilege Escalation VulnerabilityThird Party Advisory;VDB Entry
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