Auth bypass in Cisco iOS Xe
CVE-2018-0195
A vulnerability in the Cisco IOS XE Software REST API could allow an authenticated, remote attacker to bypass API authorization checks and use the API to perform privileged actions on an affected device. The vulnerability is due to insufficient authorization checks for requests that are sent to the REST API of the affected software. An attacker could exploit this vulnerability by sending a malicious request to an affected device via the REST API. A successful exploit could allow the attacker to selectively bypass authorization checks for the REST API of the affected software and use the API to perform privileged actions on an affected device. Cisco Bug IDs: CSCuz56428.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.013 (68.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: -0.000
Affected products
- Cisco iOS Xe
- Cisco iOS Xe — versions Cisco IOS XE
Weakness classification (CWE)
References
- www.securityfocus.com/bid/103557 (VDB Entry, Third Party Advisory, vdb-entry)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328… (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-0195?
- CVE-2018-0195 is a high-severity vulnerability in Cisco iOS Xe, classified under Improper Authentication. CVSS score: 8.8/10. Published 2018-03-28.
- How severe is CVE-2018-0195?
- High severity. CVSS v3 base score is 8.8 out of 10.