Auth bypass in Cisco iOS Xe Software
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.
EPSS: 0.004 (32.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cisco Ios Xe Software — versions n/a
- Cisco Ios_xe — versions 16.3\(1\)
Weakness classification (CWE)
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-15371?
- CVE-2018-15371 is a medium-severity vulnerability in Cisco iOS Xe Software, classified under Improper Access Control. CVSS score: 6.7/10. Published 2018-10-05.
- How severe is CVE-2018-15371?
- Medium severity. CVSS v3 base score is 6.7 out of 10.