Vulnerability in Cisco iOS Xe Software
CVE-2021-1281
A vulnerability in CLI management in Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to access the underlying operating system as the root user. This vulnerability is due to the way the software handles concurrent CLI sessions. An attacker could exploit this vulnerability by authenticating to the device as an administrative user and executing a sequence of commands. A successful exploit could allow the attacker to obtain access to the underlying operating system as the root user.
EPSS: 0.003 (19.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N.
Affected products
- Cisco Ios Xe Software — versions n/a
- Cisco Ios_xe — versions 16.9.1, 16.9.2, 16.9.3
Weakness classification (CWE)
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-1281?
- CVE-2021-1281 is a medium-severity vulnerability in Cisco iOS Xe Software, classified under CWE-399. CVSS score: 5.1/10. Published 2021-03-24.
- How severe is CVE-2021-1281?
- Medium severity. CVSS v3 base score is 5.1 out of 10.