CVE-2021-27250

CVSS V2 Low 3.3 CVSS V3 Medium 6.5
Description
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DAP-2020 v1.01rc001 Wi-Fi access points. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of CGI scripts. When parsing the errorpage request parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-11856.
Overview
  • CVE ID
  • CVE-2021-27250
  • Assigner
  • zdi-disclosures@trendmicro.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-14T16:15:13
  • Last Modified Date
  • 2023-04-26T18:55:30
Weakness Enumerations
CWE URL
CWE-73 http://cwe.mitre.org/data/definitions/73.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:d-link:dap-2020_firmware:1.01:rc001:*:*:*:*:*:* 1 OR
cpe:2.3:h:d-link:dap-2020:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:A/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • ADJACENT_NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 3.3
  • Severity
  • LOW
  • Exploitability Score
  • 6.5
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • ADJACENT_NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201 Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-205/ Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-27250
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27250
History
Created Old Value New Value Data Type Notes
2022-05-10 07:14:42 Added to TrackCVE
2022-12-06 01:56:32 2021-04-14T16:15Z 2021-04-14T16:15:13 CVE Published Date updated
2022-12-06 01:56:32 2021-04-22T20:49:45 CVE Modified Date updated
2022-12-06 01:56:32 Analyzed Vulnerability Status updated
2023-04-26 19:26:58 2023-04-26T18:55:30 CVE Modified Date updated