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CVE-2026-20245

Cisco Catalyst SD-WAN Manager Improper Encoding or Escaping of Output Vulnerability

Utnyttes aktivt (CISA KEV) Høy 7.8 CVSS 3.1

Beskrivelse

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.

Beskrivelsen gjengis slik kilden har publisert den, på engelsk.

Nøkkelfakta

Publisert
2026-06-04
Sist endret
2026-07-23
Tildelt av
psirt@cisco.com
CVSS-vektor
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Scoret av
psirt@cisco.com
Sannsynlighet for utnyttelse
25.3 % høyere enn 98 % av alle kjente sårbarheter
EPSS, neste 30 dager, modell v2026.06.15
Rettelse finnes
Ikke registrert hos kildene

Aktivt utnyttet

CISA førte denne sårbarheten inn i katalogen over kjente utnyttede sårbarheter 2026-06-09, med utbedringsfrist 2026-06-23 for amerikanske føderale etater.

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

Berørte produkter

Leverandør Produkt Versjoner Status
Cisco Catalyst Sd-wan Manager < 20.9.9.1 Berørt
Cisco Catalyst Sd-wan Manager 20.12.7 Berørt
Cisco Catalyst Sd-wan Manager ≥ 20.10, < 20.12.5.4 Berørt
Cisco Catalyst Sd-wan Manager ≥ 20.12.6, < 20.12.6.2 Berørt
Cisco Catalyst Sd-wan Manager ≥ 20.13, < 20.15.4.4 Berørt
Cisco Catalyst Sd-wan Manager ≥ 20.15.5, < 20.15.5.2 Berørt
Cisco Catalyst Sd-wan Manager ≥ 20.16, < 20.18.2.2 Berørt
Cisco Catalyst Sd-wan Manager ≥ 26.1, < 26.1.1.1 Berørt
Cisco Sd-wan Vsmart Controller < 20.9.9.1 Berørt
Cisco Sd-wan Vsmart Controller 20.12.7 Berørt
Cisco Sd-wan Vsmart Controller ≥ 20.10, < 20.12.5.4 Berørt
Cisco Sd-wan Vsmart Controller ≥ 20.12.6, < 20.12.6.2 Berørt
Cisco Sd-wan Vsmart Controller ≥ 20.13, < 20.15.4.4 Berørt
Cisco Sd-wan Vsmart Controller ≥ 20.15.5, < 20.15.5.2 Berørt
Cisco Sd-wan Vsmart Controller ≥ 20.16, < 20.18.2.2 Berørt
Cisco Sd-wan Vsmart Controller ≥ 26.1, < 26.1.1.1 Berørt

Svakhetstype

  • CWE-116: Improper Encoding or Escaping of Output

    The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not p…

Referanser

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