CVE record · CVE-2026-20262

Cisco Catalyst SD-WAN Manager Arbitrary File Write Vulnerability

CVSS 6.5 MediumCriticalIn CISA KEVEPSS 0.29 · 98th percentile

Critical, because:

In CISA’s KEV catalogue since 15 Jun 2026: it is known to be exploited.

Published by the CVE Program (CNA: cisco) at 15 Jun 2026, 16:21 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Cisco	Cisco Catalyst SD-WAN Manager	affected 20.1.12 affected 19.2.1 affected 18.4.4 affected 18.4.5 affected 20.1.1.1 affected 20.1.1 affected 19.3.0 affected 19.2.2 affected 19.2.099 affected 18.3.6 affected 18.3.7 affected 19.2.0 and 364 more Other versions: unknown

Identifiers: CVE-2026-20262
CNA: cisco
Weakness (CWE): CWE-22
Tags: Cisco Catalyst SD-WAN Manager
Path traversal
Published: 15 Jun 2026
Updated: 17 Jun 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.5	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N	CNA (cisco)

CISA KEV Listed since 15 Jun 2026: known to be exploited.
EPSS 0.29, the 98th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 15 Jun 2026. New records show when each source confirmed them.

Sources

References from the CNA

sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-arbfw-c2rZvQ

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.