A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges. This vulnerability is due to improper access controls on commands within the application CLI. An attacker could exploit this vulnerability by running a maliciously crafted command on the application CLI. A successful exploit could allow the attacker to execute arbitrary commands as the root user. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-priv-E6e8tEdF
https://www.databreachtoday.com/hacker-free-for-all-over-cisco-sd-wan-flaw-a-30946
https://www.securityweek.com/recent-cisco-catalyst-sd-wan-vulnerability-now-widely-exploited/
https://www.theregister.com/2026/03/06/cisco_sdwan_bugs/
https://www.securityweek.com/cisco-warns-of-more-catalyst-sd-wan-flaws-exploited-in-the-wild/
https://www.theregister.com/2026/02/26/five_eyes_cisco_sdwan/
https://www.infosecurity-magazine.com/news/immediate-patch-cisco-catalyst/
https://thehackernews.com/2026/02/cisco-sd-wan-zero-day-cve-2026-20127.html
https://www.helpnetsecurity.com/2026/02/25/cisco-sd-wan-zero-day-cve-2026-20127/
https://www.databreachtoday.com/feds-scramble-amid-shutdown-to-secure-cisco-sd-wan-systems-a-30849
https://www.cisa.gov/news-events/directives/ed-26-03-mitigate-vulnerabilities-cisco-sd-wan-systems
https://therecord.media/five-eyes-warn-hackers-exploit-cisco-sd-wan
https://cyberscoop.com/cisco-zero-days-cisa-emergency-directive-five-eyes/
Published: 2022-09-30
Updated: 2026-02-26
Known Exploited Vulnerability (KEV)
Base Score: 6.8
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.0015
Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.
Vulnerability of Interest