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CVE-2021-1612

Cisco IOS XE SD-WAN Software Arbitrary File Overwrite Vulnerability

Published: Sep 23, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-61
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.2%
Top 84.9%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:HA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-61CWE-59

Affected Products

Cisco IOS XE SD-WAN SoftwareCiscoNetworking Infrastructure
sd-wanciscoNetworking Infrastructure
Cisco IOS XE SD-WANCisco Systems Inc.Networking Infrastructure
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.
cisco systems inc.commercialUSNetworking Infrastructureaka cisco systems, cisco

Attack Graph

Products CVE Techniques Tactics

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Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-GjR5pGOm
tools.cisco.com
https://www.cybersecurity-help.cz/vdb/SB2021092420
cybersecurity-help.cz

Timeline

Published
Sep 23, 2021
Last Updated
Nov 21, 2024

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