CVE-2021-44971

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
Multiple Tenda devices are affected by authentication bypass, such as AC15V1.0 Firmware V15.03.05.20_multi?AC5V1.0 Firmware V15.03.06.48_multi and so on. an attacker can obtain sensitive information, and even combine it with authenticated command injection to implement RCE.
Overview
  • CVE ID
  • CVE-2021-44971
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-01-28T19:15:07
  • Last Modified Date
  • 2022-07-12T17:42:04
Weakness Enumerations
CWE URL
CWE-697 http://cwe.mitre.org/data/definitions/697.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:tenda:ac15_firmware:15.03.05.20_multi:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:tenda:ac15:1.0:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:tenda:ac5_firmware:15.03.06.48_multi:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:tenda:ac5:1.0:*:*:*:*:*:*:* 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
http://tenda.com Vendor Advisory
https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md Broken Link
http://ac15v10.com Broken Link
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-44971
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44971
History
Created Old Value New Value Data Type Notes
2022-05-10 06:34:41 Added to TrackCVE
2022-12-06 07:58:05 2022-01-28T19:15Z 2022-01-28T19:15:07 CVE Published Date updated
2022-12-06 07:58:05 2022-07-12T17:42:04 CVE Modified Date updated
2022-12-06 07:58:05 Analyzed Vulnerability Status updated