Privilege escalation in Cisco Ios Xe Software
CVE-2026-20308
A vulnerability in the web-based management interface of Cisco IOS XE Software could allow an authenticated, remote attacker with low privileges to perform a denial of service (DoS) attack against an affected device. This vulnerability…
Vulnerability class: Privilege Escalation
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Cisco Ios Xe Software — versions 17.2.1a, 16.12.1y, 16.12.3s
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20308?
- CVE-2026-20308 is a medium-severity vulnerability in Cisco Ios Xe Software, classified under Improper Privilege Management. CVSS score: 4.3/10. Published 2026-08-05.
- How severe is CVE-2026-20308?
- Medium severity. CVSS v3 base score is 4.3 out of 10.