CWE
552
Advisory Published
Updated

CVE-2021-1512: Cisco SD-WAN Software Arbitrary File Corruption Vulnerability

First published: Thu May 06 2021(Updated: )

A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying file system of an affected system. This vulnerability is due to insufficient validation of the user-supplied input parameters of a specific CLI command. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content in any arbitrary files that reside on the underlying host file system.

Credit: ykramarz@cisco.com ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Catalyst SD-WAN Manager>=19.2<19.2.3
Cisco Catalyst SD-WAN Manager>=20.3<20.3.1
Cisco Catalyst SD-WAN Manager>=20.4<20.4.1
Cisco Catalyst SD-WAN Manager>=20.5<20.5.1
Cisco Sd-wan Vbond Orchestrator
Cisco SD-WAN vManage<18.4.6
Cisco SD-WAN vManage>=20.1<20.1.2
Cisco Vsmart Controller Firmware
Cisco Vsmart Controller
Cisco Vedge 100 Firmware
Cisco Vedge 100
Cisco Vedge 1000 Firmware
Cisco Vedge 1000
Cisco Vedge 100b Firmware
Cisco Vedge 100b
Cisco Vedge 100m Firmware
Cisco Vedge 100m
Cisco Vedge 100wm Firmware
Cisco Vedge 100wm
Cisco Vedge 2000 Firmware
Cisco Vedge 2000
Cisco Vedge 5000 Firmware
Cisco Vedge 5000
Cisco Vedge-100b Firmware
Cisco Vedge-100b
Cisco Vedge Cloud Firmware
Cisco Vedge Cloud

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Frequently Asked Questions

  • What is CVE-2021-1512?

    CVE-2021-1512 is a vulnerability in the CLI of Cisco SD-WAN Software that allows an authenticated local attacker to overwrite arbitrary files.

  • How does CVE-2021-1512 affect Cisco SD-WAN Software?

    CVE-2021-1512 affects Cisco SD-WAN Software by allowing an authenticated, local attacker to overwrite files in the underlying file system.

  • What is the severity of CVE-2021-1512?

    CVE-2021-1512 has a severity rating of medium.

  • Which versions of Cisco Catalyst SD-WAN Manager are affected by CVE-2021-1512?

    Versions 19.2 to 19.2.3, 20.3 to 20.3.1, 20.4 to 20.4.1, and 20.5 to 20.5.1 of Cisco Catalyst SD-WAN Manager are affected by CVE-2021-1512.

  • How can CVE-2021-1512 be fixed?

    To fix CVE-2021-1512, Cisco recommends upgrading to a fixed software release.

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