Vulnerability Details : CVE-2019-12670
A vulnerability in the filesystem of Cisco IOS XE Software could allow an authenticated, local attacker within the IOx Guest Shell to modify the namespace container protections on an affected device. The vulnerability is due to insufficient file permissions. An attacker could exploit this vulnerability by modifying files that they should not have access to. A successful exploit could allow the attacker to remove container protections and perform file actions outside the namespace of the container.
Vulnerability category: BypassGain privilege
Products affected by CVE-2019-12670
- cpe:2.3:o:cisco:ios:16.10.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-12670
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-12670
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
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
|
Cisco Systems, Inc. | |
|
6.7
|
MEDIUM | CVSS:3.1/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-2019-12670
-
During installation, installed file permissions are set to allow anyone to modify those files.Assigned by: nvd@nist.gov (Primary)
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: ykramarz@cisco.com (Secondary)
References for CVE-2019-12670
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-iox-gs
Cisco IOS XE Software IOx Guest Shell Namespace Protection VulnerabilityVendor Advisory
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