CVE-2021-20090

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
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.
Overview
  • CVE ID
  • CVE-2021-20090
  • Assigner
  • vulnreport@tenable.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-29T15:15:10
  • Last Modified Date
  • 2022-04-26T17:05:38
Weakness Enumerations
CWE URL
CWE-22 http://cwe.mitre.org/data/definitions/22.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:buffalo:wsr-2533dhpl2-bk_firmware:*:*:*:*:*:*:*:* 1 OR 1.02
cpe:2.3:h:buffalo:wsr-2533dhpl2-bk:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:buffalo:wsr-2533dhp3-bk_firmware:*:*:*:*:*:*:*:* 1 OR 1.24
cpe:2.3:h:buffalo:wsr-2533dhp3-bk:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.tenable.com/security/research/tra-2021-13 Exploit Third Party Advisory
https://www.kb.cert.org/vuls/id/914124 Third Party Advisory US Government Resource
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-20090
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20090
History
Created Old Value New Value Data Type Notes
2022-05-10 06:26:22 Added to TrackCVE
2022-12-05 01:15:18 2021-04-29T15:15Z 2021-04-29T15:15:10 CVE Published Date updated
2022-12-05 01:15:18 2022-04-26T17:05:38 CVE Modified Date updated
2022-12-05 01:15:18 Analyzed Vulnerability Status updated