CVE-2022-20775

high

Description

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

References

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://securityaffairs.com/189056/security/cisco-flags-ongoing-exploitation-of-two-recently-patched-catalyst-sd-wan-flaws.html

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.sophos.com/en-us/blog/cisco-sd-wan-vulnerabilities-cve-2026-20127-cve-2022-20775-in-active-exploitation

https://www.securityweek.com/cisco-patches-catalyst-sd-wan-zero-day-exploited-by-highly-sophisticated-hackers/

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://securityaffairs.com/188548/hacking/u-s-cisa-adds-cisco-sd-wan-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://securityaffairs.com/188540/security/hackers-abused-cisco-sd-wan-zero-day-since-2023-to-gain-full-admin-control.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://www.cisa.gov/news-events/alerts/2026/02/25/cisa-and-partners-release-guidance-ongoing-global-exploitation-cisco-sd-wan-systems

https://www.cisa.gov/news-events/alerts/2026/02/25/cisa-adds-two-known-exploited-vulnerabilities-catalog

https://www.bleepingcomputer.com/news/security/critical-cisco-sd-wan-bug-exploited-in-zero-day-attacks-since-2023/

https://therecord.media/five-eyes-warn-hackers-exploit-cisco-sd-wan

https://cyberscoop.com/cisco-zero-days-cisa-emergency-directive-five-eyes/

https://blog.talosintelligence.com/uat-8616-sd-wan/

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-priv-E6e8tEdF?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20SD-WAN%20Software%20Privilege%20Escalation%20Vulnerabilities%26vs_k=1

Details

Source: Mitre, NVD

Published: 2022-09-30

Updated: 2026-02-26

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

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

EPSS: 0.0015

Vulnerability Watch

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