Back to CVE records
High 7.8Known exploited (CISA KEV)Published Jun 4, 2026

CVE-2026-20245Cisco Catalyst SD-WAN Controller Authenticated Privilege Escalation Vulnerability

Updated under an hour ago ()

Does this affect you?

It affects Cisco Catalyst SD-WAN Controller and 3 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Jun 9, 2026; federal agencies had to remediate by Jun 23, 2026. Treat that date as your deadline.

A vulnerability in the CLI of Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, and Cisco Catalyst SD-WAN Validator, formerly SD-WAN vBond, could allow an authenticated, local attacker to execute arbitrary commands as root by supplying a crafted file to the affected system. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by uploading a crafted file to the affected system. A successful exploit could allow the attacker to perform command injection attacks on an affected system and elevate their privileges as the root user. To exploit this vulnerability, the attacker must have netadmin privileges on the affected system. This would require valid credentials or exploitation of or . Cisco is not aware of successful exploitation by other methods. Cisco has observed limited cases where the exploitation of this bug resulted in a configuration change pushed to edge devices. Cisco recommends that customers upgrade to the fixed software that is documented in the that was published on May 14, 2026, and verify the configuration of the edge devices.

CVSS
7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-116
Known exploited
Added to CISA KEV Jun 9, 2026; federal remediation due Jun 23, 2026Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS (exploitation in the next 30 days)
25.32% (percentile 98)
Assigned by
cisco
NVD analysis
Analyzed
Record last updated
Jul 21, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Cisco Cisco Catalyst SD-WAN Controller
cisco:catalyst_sd_wan_controller (from the name)
20.6.4; 20.9.2; 20.3.6; 20.7.2; 20.7.1; 20.5.1; 20.6.2; 19.3.0; and 133 more ranges
CNA record
Cisco Cisco Catalyst SD-WAN Manager
cisco:catalyst_sd_wan_manager (from the name)
20.1.12; 19.2.1; 18.4.4; 18.4.5; 20.1.1.1; 20.1.1; 19.3.0; 19.2.2; and 193 more ranges
CNA record
cisco catalyst_sd-wan_manager
cisco:catalyst_sd-wan_manager
before 20.9.9.1; from 20.10 before 20.12.5.4; from 20.12.6 before 20.12.6.2; from 20.13 before 20.15.4.4; from 20.15.5 before 20.15.5.2; from 20.16 before 20.18.2.2; from 26.1 before 26.1.1.1; 20.12.7
NVD
cisco sd-wan_vsmart_controller
cisco:sd-wan_vsmart_controller
before 20.9.9.1; from 20.10 before 20.12.5.4; from 20.12.6 before 20.12.6.2; from 20.13 before 20.15.4.4; from 20.15.5 before 20.15.5.2; from 20.16 before 20.18.2.2; from 26.1 before 26.1.1.1; 20.12.7
NVD

References

  • vendor-advisory
  • vendor-advisory
  • us-government-resource

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

Your cookie choices
We use essential cookies to run this site, and, only with your consent, an advertising cookie from Google to measure whether our ads lead to sign-ups and subscriptions. See our for details.