Medium severity · published May 6, 2021
CVE-2021-1512
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
6.0
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Catalyst Sd-wan Manager · Cisco
19.2 before 19.2.3; 20.3 before 20.3.1; 20.4 before 20.4.1; 20.5 before 20.5.1 · source: NVD
SV
Sd-wan Vbond Orchestrator · Cisco
All versions, or not specified · source: NVD
SV
Sd-wan Vmanage · Cisco
before 18.4.6; 20.1 before 20.1.2 · source: NVD
V1
Vedge 100 Firmware · Cisco
All versions, or not specified · source: NVD
V1
Vedge 1000 Firmware · Cisco
All versions, or not specified · source: NVD
V1
Vedge 100b Firmware · Cisco
All versions, or not specified · source: NVD
V1
Vedge 100m Firmware · Cisco
All versions, or not specified · source: NVD
V1
Vedge 100wm Firmware · Cisco
All versions, or not specified · source: NVD
V2
Vedge 2000 Firmware · Cisco
All versions, or not specified · source: NVD
V5
Vedge 5000 Firmware · Cisco
All versions, or not specified · source: NVD
VC
Vedge Cloud Firmware · Cisco
All versions, or not specified · source: NVD
VF
Vedge-100b Firmware · Cisco
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-1512
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-1512
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-arbfile-7Qhd9mCn
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