What is CVE-2022-20775?

CVE-2022-20775 is a high-severity vulnerability in Cisco 1100-4g Integrated Services Router, classified under CWE-25. CVSS score: 7.8/10. Published 2022-09-30.

How severe is CVE-2022-20775?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2022-20775 known to be exploited?

Yes. CVE-2022-20775 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-02-25), indicating it is being actively exploited.

Path Traversal in Cisco 1100-4g Integrated Services Router

CVE-2022-20775

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

EPSS: 0.125 (95.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2026-02-25. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2026-02-27.

Required action: Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.

References

psirt@cisco.com (Vendor Advisory)
nvd@nist.gov (Exploit, Third Party Advisory)
nvd@nist.gov (Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2022-20775?: CVE-2022-20775 is a high-severity vulnerability in Cisco 1100-4g Integrated Services Router, classified under CWE-25. CVSS score: 7.8/10. Published 2022-09-30.
How severe is CVE-2022-20775?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-20775 known to be exploited?: Yes. CVE-2022-20775 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-02-25), indicating it is being actively exploited.