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[email protected]CVE-2021-20090

HistoryApr 29, 2021 - 3:15 p.m.

CVE-2021-20090

2021-04-2915:15:10

CWE-22

[email protected]

web.nvd.nist.gov

1033

In Wild

cve-2021-20090

path traversal

buffalo

wsr-2533dhpl2

wsr-2533dhp3

firmware

authentication bypass

remote attack

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

8.1 High

AI Score

Confidence

High

0.975 High

EPSS

Percentile

100.0%

JSON

A path traversal vulnerability in the web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 could allow unauthenticated remote attackers to bypass authentication.

Affected configurations

NVD

Node

buffalowsr-2533dhpl2-bkMatch-

AND

buffalowsr-2533dhpl2-bk_firmwareRange≤1.02

Node

buffalowsr-2533dhp3-bkMatch-

AND

buffalowsr-2533dhp3-bk_firmwareRange≤1.24

CPENameOperatorVersion
buffalo:wsr-2533dhpl2-bk_firmwarebuffalo wsr-2533dhpl2-bk firmwarele1.02

CPE	Name	Operator	Version
buffalo:wsr-2533dhpl2-bk_firmware	buffalo wsr-2533dhpl2-bk firmware	le	1.02

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3",
    "versions": [
      {
        "version": "WSR-2533DHPL2 <=1.02, WSR-2533DHP3 <= 1.24",
        "status": "affected"
      }
    ]
  }
]