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IMMUNITYSEC

CVE-2026-20245

Cisco Catalyst SD-WAN Controller Authenticated Privilege Escalation Vulnerability

7.8
HIGH
CVSS 3.1
EPSS 25.3% · 98th pctCISA KEV · Exploited in the wild
2026-06-04Updated 2026-07-21KEV 2026-06-09
CISA Known Exploited Vulnerabilities

Cisco Catalyst SD-WAN Manager Improper Encoding or Escaping of Output Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2026-06-09
Remediation due
2026-06-23

Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA notes
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-privesc-4uxFrdzx ; https://nvd.nist.gov/vuln/detail/CVE-2026-20245

Description

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.

Severity

CVSS 3.1 · CNA7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC · CISA-ADP
Exploitationactive
Automatableno
Technical impacttotal

Exploitation Context

as of October 15, 2026
All KEV statistics→
  • CISA added CVE-2026-20245 to the KEV catalog 5 days after its CVE record was published. The median for entries added in 2026 so far is 14 days.
  • It is one of 101 Cisco entries in the CISA KEV catalog, and one of 19 added in 2026.
  • Its current EPSS score (25.3%) is higher than that of 39% of CISA KEV entries.

Affected Products

ProductAffected versions
Cisco
Cisco Catalyst SD-WAN Controller
20.6.4
20.9.2
20.3.6
20.7.2
20.7.1
20.5.1
20.6.2
19.3.0
20.6.1
17.2.4
18.2.0
18.4.6
19.1.0
19.2.4
19.2.929
18.3.8
18.4.303
18.3.7
18.4.1
19.2.097
19.2.0
19.2.099
18.3.6
20.4.2
19.0.0
20.9.1
20.3.5
20.3.1
18.3.5
20.6.3
18.4.3
18.4.4
18.3.3
17.2.8
20.8.1
19.2.32
19.2.2
17.2.5
18.4.0
20.4.1.1
20.1.3
20.1.2
17.2.10
19.2.098
20.1.1
17.2.6
19.2.1
18.3.4
20.4.1
17.2.9
19.2.31
19.0.1a
18.3.0
17.2.7
18.4.5
20.3.4
20.3.3
20.4.1.2
20.3.2
18.3.1
20.1.12
19.2.3
20.10.1
20.6.5
20.3.7
20.9.3
20.11.1
20.6.3.2
20.4.2.3
20.3.5.1
20.3.4.3
20.9.3.1
20.6.4.1
20.3.3.2
20.6.5.2
20.3.7.1
20.11.1.1
20.10.1.1
20.6.1.2
20.1.3.1
20.9.2.2
20.6.5.3
20.6.3.3
20.3.7.2
20.6.5.4
20.9.2.3
20.9.4
20.12.1
20.3.8
20.6.6
20.12.2
20.13.1
20.9.5
20.12.3
20.6.7
20.9.5.1
20.14.1
20.12.3.1
20.12.4
20.15.1
20.9.6
20.6.8
20.16.1
20.9.5.3
20.12.4.1
20.15.2
20.12.5
20.9.7
20.15.3
20.12.5.1
20.12.5.2
20.15.4
20.9.7.1
20.18.1
20.12.6
20.9.8
20.15.4.1
20.18.2
26.1.1
20.15.4.2
20.18.2.1
20.12.5.3
20.12.6.1
20.9.8.2
20.15.5
20.18.3
20.12.7
20.9.9
20.18.2.2
20.12.5.4
20.12.7.1
20.15.5.1
20.15.4.3
20.12.6.2
20.15.5.2
20.15.4.4
26.1.1.1
20.9.9.1
26.1.1.2
20.15.4.5
20.15.5.3
Cisco
Cisco Catalyst SD-WAN Manager
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
19.2.099
18.3.6
18.3.7
19.2.0
18.3.8
19.0.0
19.1.0
18.4.302
18.4.303
19.2.097
19.2.098
17.2.10
18.3.6.1
19.0.1a
18.2.0
18.4.3
18.4.1
17.2.8
18.3.3.1
18.4.0
18.3.1
17.2.6
17.2.9
18.3.4
17.2.5
18.3.1.1
18.3.5
18.4.0.1
18.3.3
17.2.7
17.2.4
18.3.0
19.2.3
18.4.501_ES
20.3.1
20.1.2
19.2.929
19.2.31
20.3.2
19.2.32
20.3.2_925
20.3.2.1
20.3.2.1_927
18.4.6
20.1.2_937
20.4.1
20.3.2_928
20.3.2_929
20.4.1.0.1
20.3.2.1_930
19.2.4
20.5.0.1.1
20.4.1.1
20.3.3
19.2.4.0.1
20.3.2_937
20.3.3.1
20.5.1
20.1.3
20.3.3.0.4
20.3.3.1.2
20.3.3.1.1
20.4.1.2
20.3.3.0.2
20.4.1.1.5
20.4.1.0.01
20.4.1.0.02
20.3.3.1.7
20.3.3.1.5
20.5.1.0.1
20.3.3.1.10
20.3.3.0.8
20.4.2
20.4.2.0.1
20.3.4
20.3.3.0.14
19.2.4.0.8
19.2.4.0.9
20.3.4.0.1
20.3.2.0.5
20.6.1
20.5.1.0.2
20.3.3.0.17
20.6.1.1
20.6.0.18.3
20.3.2.0.6
20.6.0.18.4
20.4.2.0.2
20.3.3.0.16
20.3.4.0.5
20.6.1.0.1
20.3.4.0.6
20.6.2
20.7.1EFT2
20.3.4.0.9
20.3.4.0.11
20.4.2.0.4
20.3.3.0.18
20.7.1
20.6.2.1
20.3.4.1
20.5.1.1
20.4.2.1
20.4.2.1.1
20.3.4.1.1
20.3.813
20.3.4.0.19
20.4.2.2.1
20.5.1.2
20.3.4.2
20.3.814
20.4.2.2
20.6.2.2
20.3.4.2.1
20.7.1.1
20.3.4.1.2
20.6.2.2.2
20.3.4.0.20
20.6.2.2.3
20.4.2.2.2
20.3.5
20.6.2.0.4
20.4.2.2.3
20.3.4.0.24
20.6.2.2.7
20.6.3
20.3.4.2.2
20.4.2.2.4
20.7.1.0.2
20.8.1
20.3.5.0.8
20.3.5.0.9
20.4.2.2.8
20.3.5.0.7
20.6.3.0.7
20.6.3.0.5
20.6.3.0.10
20.6.3.0.2
20.7.2
20.9.1EFT2
20.6.3.0.11
20.6.3.1
20.6.3.0.14
20.6.4
20.9.1
20.6.3.0.19
20.6.3.0.18
20.3.6
20.9.1.1
20.6.3.0.23
20.6.4.0.4
20.6.3.0.25
20.6.5
20.6.3.0.27
20.9.2
20.9.2.1
20.6.3.0.29
20.6.3.0.31
20.6.3.0.32
20.10.1
20.6.3.0.33
20.9.2.0.01
20.9.1_LI_Images
20.10.1_LI_Images
20.9.2_LI_Images
20.3.7
20.9.3
20.6.5.1
20.11.1
20.11.1_LI_Images
20.9.3_LI_ Images
20.6.3.1.1
20.9.3.0.2
20.6.5.1.2
20.9.3.0.3
20.4.2.3
20.6.3.2
20.6.4.1
20.6.3.0.38
20.6.3.0.39
20.3.5.1
20.3.4.3
20.9.3.1
20.3.3.2
20.6.5.2
20.3.7.1
20.10.1.1
20.6.5.2.1
20.3.4.0.25
20.6.2.2.4
20.6.1.2
20.11.1.1
20.9.3.0.5
20.3.4.0.26
20.6.5.1.3
20.6.3.0.40
20.1.3.1
20.9.2.2
20.6.5.2.3
20.6.5.1.4
20.6.5.3
20.6.3.0.41
20.9.3.0.7
20.6.5.1.5
20.9.3.0.4
20.6.4.0.19
20.6.5.1.6
20.9.3.0.8
20.6.3.3
20.3.7.2
20.6.5.4
20.6.5.1.7
20.9.3.0.12
20.6.4.2
20.6.5.5
20.9.3.2
20.11.1.2
20.6.3.4
20.10.1.2
20.6.5.1.9
20.9.3.0.16
20.6.3.0.45
20.6.5.1.10
20.9.3.0.17
20.6.5.2.4
20.6.4.0.21
20.9.3.0.18
20.6.3.0.46
20.6.3.0.47
20.9.2.3
20.9.3.2_LI_Images
20.9.3.0.21
20.9.3.0.20
20.9.4_LI_Images
20.9.4
20.6.5.1.11
20.12.1
20.12.1_LI_Images
20.6.5.1.13
20.9.3.0.23
20.6.5.2.8
20.9.4.1
20.9.4.1_LI_Images
20.9.3.0.25
20.9.3.0.24
20.6.5.1.14
20.3.8
20.6.6
20.9.3.0.26
20.6.3.0.51
20.9.3.0.29
20.12.2
20.12.2_LI_Images
20.6.6.0.1
20.13.1_LI_Images
20.9.4.0.4
20.13.1
20.9.4.1.1
20.9.5
20.9.5_LI_Images
20.12.3_LI_Images
20.12.3
20.9.4.1.3
20.6.7
20.9.5.1
20.9.5.1_LI_Images
20.9.4.1.6
20.14.1
20.14.1_LI_Images
20.9.5.2
20.9.5.2.1
20.9.5.2_LI_Images
20.12.3.1
20.12.4
20.15.1_LI_Images
20.15.1
20.9.5.1.4
20.9.5.2.7
20.9.5.2.13
20.9.6
20.9.6_LI_Images
20.9.5.2.14
20.6.8
20.12.4.0.03
20.16.1
20.16.1_LI_Images
20.12.4_LI_Images
20.9.5.2.16
20.12.4.0.4
20.12.401
20.9.5.3
20.9.5.3_LI_Images
20.12.4.1_LI_Images
20.12.4.1
20.9.5.2.21
20.9.6.0.3
20.12.4.0.6
20.15.2_LI_Images
20.15.2
20.12.4_Monthly_ES5
20.12.5
20.12.5_LI_Images
20.9.7_LI _Images
20.9.7
20.15.3
20.15.3_ LI _Images
20.12.501
20.12.5.1_LI_Images
20.12.5.1
20.12.5.2_LI_Images
20.12.5.2
20.15.3.1
20.15.4_LI_Images
20.15.4
20.9.7.1_LI _Images
20.9.7.1
20.18.1
20.18.1_LI_Images
20.12.6_LI_Images
20.12.6
20.12.5.1.01
26.0.1
20.9.8
20.9.8_LI_Images
20.18.2
20.15.4.1_LI_Images
20.15.4.1
20.18.2_LI_Images
26.1.1
26.1.1_LI_Images
20.18.2.1_LI_Images
20.18.2.1
20.15.4.2_LI_Images
20.15.4.2
20.12.6.1
20.12.6.1_LI_Images
20.12.5.3
20.12.5.3_LI_Images
20.9.8.2_LI_Images
20.9.8.2
20.18.3
20.18.3_LI_Images
20.15.5
20.15.5_LI_Images
20.12.7
20.12.7_LI_Images
20.9.9
20.9.9_LI_Images
20.18.2.2
20.18.2.2_LI_Images
20.12.5.4
20.12.5.4_LI_ Images
20.12.7.1_LI_Images
20.12.6.2_LI_Images
20.12.7.1
20.15.5.1
20.15.4.3
20.15.4.3_LI_Images
20.15.5.1_LI_Images
20.12.6.2
20.15.5.2
20.15.5.2_LI_Images
26.1.1.1_LI_Images
20.15.4.4
20.15.4.4_LI_Images
26.1.1.1
20.9.9.1_LI_Images
20.9.9.1

References

2 Links

Record Details

Published
2026-06-04
Last updated
2026-07-21
Assigner (CNA)
cisco
Credited to
-

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.