Vulnerability Details : CVE-2018-15371
A vulnerability in the shell access request mechanism of Cisco IOS XE Software could allow an authenticated, local attacker to bypass authentication and gain unrestricted access to the root shell of an affected device. The vulnerability exists because the affected software has insufficient authentication mechanisms for certain commands. An attacker could exploit this vulnerability by requesting access to the root shell of an affected device, after the shell access feature has been enabled. A successful exploit could allow the attacker to bypass authentication and gain unrestricted access to the root shell of the affected device.
Vulnerability category: BypassGain privilege
Products affected by CVE-2018-15371
- cpe:2.3:o:cisco:ios_xe:16.3\(1\):*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-15371
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-15371
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
6.7
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.8
|
5.9
|
NIST |
CWE ids for CVE-2018-15371
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: ykramarz@cisco.com (Secondary)
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-15371
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-shell-access
Cisco IOS XE Software Shell Access Authentication Bypass VulnerabilityVendor Advisory
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