CVE Tools
Sign in

CVE-2021-1512

Cisco SD-WAN Software Arbitrary File Corruption Vulnerability

Published: May 6, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-552
6.0MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 86.4%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:HUI:NS:UC:NI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-552

Affected Products

Cisco Systems Inc.
commercial·USaka cisco, cisco systems
Cisco SD-WAN
Networking Infrastructure
catalyst sd-wan manager
Networking Infrastructure
sd-wan vbond orchestrator
Networking Infrastructure
sd-wan vmanage
Networking Infrastructure
vsmart controller firmware
Networking Infrastructure
vedge 100 firmware
Networking Infrastructure
vedge 1000 firmware
Networking Infrastructure
vedge 100b firmware
Networking Infrastructure
and 7 more affected products View all →

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
Is your org exposed to CVE-2021-1512?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-arbfile-7Qhd9mCn
tools.cisco.com
https://nvd.nist.gov/vuln/detail/CVE-2021-1512
nvd.nist.gov
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-arbfile-7Qhd9mCn
tools.cisco.com

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-1512 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows