CVE-2021-3017

Description

The web interface on Intelbras WIN 300 and WRN 342 devices through 2021-01-04 allows remote attackers to discover credentials by reading the def_wirelesspassword line in the HTML source code.

Related CPE's

o intelbras win_300_firmware ********

h intelbras win_300 -*******

o intelbras wrn_342_firmware ********

h intelbras wrn_342 -*******

References

https://www.intelbras.com/pt-br/ajuda-download/faq/roteador-wireless-veloz-wrn-342

Vendor Advisory

https://pastebin.com/cTYTf0Yn

Third Party Advisory

CvssV3 impact

BaseSeverity	HIGH
ConfidentialityImpact	HIGH
AttackComplexity	LOW
Scope	UNCHANGED
AttackVector	NETWORK
AvailabilityImpact	NONE
IntegrityImpact	NONE
PrivilegesRequired	NONE
BaseScore	7.5
VectorString	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Version	3.1
UserInteraction	NONE

CvssV2 impact

AccessComplexity	LOW
ConfidentialityImpact	PARTIAL
AvailabilityImpact	NONE
IntegrityImpact	NONE
BaseScore	5
VectorString	AV:N/AC:L/Au:N/C:P/I:N/A:N
Version	2.0
AccessVector	NETWORK
Authentication	NONE