Cisco IOS XE SD-WAN Software Arbitrary File Overwrite Vulnerability
A vulnerability in the Cisco IOS XE SD-WAN Software CLI could allow an authenticated, local attacker to overwrite arbitrary files on the local system. This vulnerability is due to improper access controls on files within the local file system. An attacker could exploit this vulnerability by placing a symbolic link in a specific location on the local file system. A successful exploit could allow the attacker to overwrite arbitrary files on an affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is part of the September 2021 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: September 2021 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication. ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74581"]
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-1612US | high7.1 | — | ||
A vulnerability in the Cisco IOS XE SD-WAN Software CLI could allow an authenticated, local attacker to overwrite arbitrary files on the local system. This vulnerability is due to… | ||||
references
External citations — patches, advisories, analysis.
- Cisco IOS XE SD-WAN Software Arbitrary File Overwrite Vulnerabilityself
- Cisco Security Vulnerability Policyexternal
- considering software upgradesexternal
- Cisco Software Checkerexternal
- Cisco Event Response: September 2021 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publicationexternal
- Install and Upgrade Cisco IOS XE Release 17.2.1r and Laterexternal
- Cisco Security Advisories pageexternal
remediations (45)
- FixedCisco IOS XE Catalyst SD-WAN 16.12.1b when installed on Cisco 1000 Series Integrated Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1b when installed on Cisco 4000 Series Integrated Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1b when installed on Cisco ASR 1000 Series Aggregation Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1b when installed on Cisco Catalyst IR1100 Rugged Series Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1b when installed on Cisco Cloud Services Router 1000V Series
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1b when installed on Cisco Integrated Services Virtual Router
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1d when installed on Cisco 1000 Series Integrated Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1d when installed on Cisco 4000 Series Integrated Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1d when installed on Cisco ASR 1000 Series Aggregation Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1d when installed on Cisco Catalyst IR1100 Rugged Series Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1d when installed on Cisco Cloud Services Router 1000V Series
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1d when installed on Cisco Integrated Services Virtual Router
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1e when installed on Cisco 1000 Series Integrated Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1e when installed on Cisco 4000 Series Integrated Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1e when installed on Cisco ASR 1000 Series Aggregation Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1e when installed on Cisco Catalyst IR1100 Rugged Series Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1e when installed on Cisco Cloud Services Router 1000V Series
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.1e when installed on Cisco Integrated Services Virtual Router
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.2r when installed on Cisco 1000 Series Integrated Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.2r when installed on Cisco 4000 Series Integrated Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.2r when installed on Cisco ASR 1000 Series Aggregation Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.2r when installed on Cisco Catalyst IR1100 Rugged Series Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.2r when installed on Cisco Cloud Services Router 1000V Series
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.2r when installed on Cisco Integrated Services Virtual Router
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.3 when installed on Cisco 1000 Series Integrated Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.3 when installed on Cisco 4000 Series Integrated Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.3 when installed on Cisco ASR 1000 Series Aggregation Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.3 when installed on Cisco Catalyst IR1100 Rugged Series Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.3 when installed on Cisco Cloud Services Router 1000V Series
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.3 when installed on Cisco Integrated Services Virtual Router
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.4 when installed on Cisco 1000 Series Integrated Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.4 when installed on Cisco 4000 Series Integrated Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.4 when installed on Cisco ASR 1000 Series Aggregation Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.4 when installed on Cisco Catalyst IR1100 Rugged Series Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.4 when installed on Cisco Cloud Services Router 1000V Series
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.4 when installed on Cisco Integrated Services Virtual Router
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.4a when installed on Cisco 4000 Series Integrated Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.4a when installed on Cisco Cloud Services Router 1000V Series
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.4a when installed on Cisco Integrated Services Virtual Router
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.5 when installed on Cisco 1000 Series Integrated Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.5 when installed on Cisco 4000 Series Integrated Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.5 when installed on Cisco ASR 1000 Series Aggregation Services Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.5 when installed on Cisco Catalyst IR1100 Rugged Series Routers
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.5 when installed on Cisco Cloud Services Router 1000V Series
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.12.5 when installed on Cisco Integrated Services Virtual Router
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
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