Auth bypass in Cisco iOS Xe Sd-Wan Software
CVE-2020-3216
A vulnerability in Cisco IOS XE SD-WAN Software could allow an unauthenticated, physical 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 stopping the boot initialization of an affected device. A successful exploit could allow the attacker to bypass authentication and gain unrestricted access to the root shell of the affected device.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (36.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Cisco iOS Xe Sd-Wan Software
- Cisco iOS Xe Sd-Wan — versions 16.9.0, 16.9.1, 16.9.2
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-auth-b-N… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3216?
- CVE-2020-3216 is a medium-severity vulnerability in Cisco iOS Xe Sd-Wan Software, classified under Improper Authentication. CVSS score: 6.8/10. Published 2020-06-03.
- How severe is CVE-2020-3216?
- Medium severity. CVSS v3 base score is 6.8 out of 10.