What is CVE-2026-20224?

CVE-2026-20224 is a high-severity vulnerability in Cisco Catalyst Sd-wan Manager, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2026-05-14.

How severe is CVE-2026-20224?

High severity. CVSS v3 base score is 8.6 out of 10.

Is CVE-2026-20224 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Cisco Catalyst Sd-wan Manager

CVE-2026-20224

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to read arbitrary files that are stored in an affected system. The attacker does not need to have vali…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.000 (10.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

Affected products

Cisco Catalyst Sd-wan Manager — versions 20.1.12, 19.2.1, 18.4.4

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

fevar54/CVE-2026-20224---XXE-Injection-en-Cisco-Catalyst-SD-WAN-Manager

References

Frequently asked questions

What is CVE-2026-20224?: CVE-2026-20224 is a high-severity vulnerability in Cisco Catalyst Sd-wan Manager, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2026-05-14.
How severe is CVE-2026-20224?: High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2026-20224 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.