CVE-2021-20090

Scores

EPSS Score

0.9440

CVSS

3.x 9.8

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

All CVSS Scores

CVSS 4.0

0.0

CVSS 3.x

9.8

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

CVSS 2.0

7.5

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

Description

Уязвимость обхода пути в веб-интерфейсах Buffalo WSR-2533DHPL2 версии прошивки <= 1.02 и WSR-2533DHP3 версии прошивки <= 1.24 может позволить не прошедшим проверку подлинности удаленным злоумышленникам обойти аутентификацию.

Sources

nvd

CWEs

CWE-22

Related Vulnerabilities

BDU:2021-03989

Exploits

Exploit ID: CVE-2021-20090

Source: cisa

URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Reference Links

https://www.kb.cert.org/vuls/id/914124

https://www.secpod.com/blog/arcadyan-based-routers-and-modems-under-active-exploitation/

https://www.tenable.com/security/research/tra-2021-13

Vulnerable Software

Type: Configuration

Vendor: buffalo

Product: wsr-2533dhp3-bk_firmware

Operating System: * * *

Trait:

{
  "children": [
    {
      "cpe_match": [
        {
          "cpe23uri": "cpe:2.3:o:buffalo:wsr-2533dhp3-bk_firmware:*:*:*:*:*:*:*:*",
          "versionEndIncluding": "1.24",
          "vulnerable": true
        }
      ],
      "operator": "OR"
    },
    {
      "cpe_match": [
        {
          "cpe23uri": "cpe:2.3:h:buffalo:wsr-2533dhp3-bk:-:*:*:*:*:*:*:*"
        }
      ],
      "operator": "OR"
    }
  ],
  "operator": "AND"
}

Source: nvd

Type: Configuration

Vendor: buffalo

Product: wsr-2533dhpl2-bk_firmware

Operating System: * * *

Trait:

{
  "children": [
    {
      "cpe_match": [
        {
          "cpe23uri": "cpe:2.3:o:buffalo:wsr-2533dhpl2-bk_firmware:*:*:*:*:*:*:*:*",
          "versionEndIncluding": "1.02",
          "vulnerable": true
        }
      ],
      "operator": "OR"
    },
    {
      "cpe_match": [
        {
          "cpe23uri": "cpe:2.3:h:buffalo:wsr-2533dhpl2-bk:-:*:*:*:*:*:*:*"
        }
      ],
      "operator": "OR"
    }
  ],
  "operator": "AND"
}

Source: nvd