CVE-2021-44971

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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://ac15v10.com	Broken Link URL Repurposed
http://tenda.com	Vendor Advisory
https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md	Broken Link
http://ac15v10.com	Broken Link URL Repurposed
http://tenda.com	Vendor Advisory
https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md	Broken Link

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:ac15_firmware:15.03.05.20_multi:*:*:*:*:*:*:*

cpe:2.3:h:tenda:ac15:1.0:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:tenda:ac5_firmware:15.03.06.48_multi:*:*:*:*:*:*:*

cpe:2.3:h:tenda:ac5:1.0:*:*:*:*:*:*:*

History

21 Nov 2024, 06:31

Type	Values Removed	Values Added
References	~~() http://ac15v10.com - Broken Link, URL Repurposed~~	() http://ac15v10.com - Broken Link, URL Repurposed
References	~~() http://tenda.com - Vendor Advisory~~	() http://tenda.com - Vendor Advisory
References	~~() https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md - Broken Link~~	() https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md - Broken Link

14 Feb 2024, 01:17

Type	Values Removed	Values Added
References	~~(MISC) http://ac15v10.com - Broken Link~~	(MISC) http://ac15v10.com - Broken Link, URL Repurposed

Information

Published : 2022-01-28 19:15

Updated : 2024-11-21 06:31

NVD link : CVE-2021-44971

Mitre link : CVE-2021-44971

CVE.ORG link : CVE-2021-44971

JSON object : View

Products Affected

tenda

ac5_firmware
ac15
ac15_firmware
ac5

CWE

CWE-697

Incorrect Comparison

{"id": "CVE-2021-44971", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2022-01-28T19:15:07.963", "references": [{"url": "http://ac15v10.com", "tags": ["Broken Link", "URL Repurposed"], "source": "cve@mitre.org"}, {"url": "http://tenda.com", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://ac15v10.com", "tags": ["Broken Link", "URL Repurposed"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://tenda.com", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-697"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "M\u00faltiples dispositivos Tenda est\u00e1n afectados por una omisi\u00f3n de autenticaci\u00f3n, como AC15V1.0 Firmware versi\u00f3n V15.03.05.20_multi... AC5V1.0 Firmware versi\u00f3n V15.03.06.48_multi, etc. un atacante puede obtener informaci\u00f3n confidencial, e incluso combinarla con una inyecci\u00f3n de comandos autenticados para implementar RCE"}], "lastModified": "2024-11-21T06:31:45.903", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tenda:ac15_firmware:15.03.05.20_multi:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BAF4BBA3-7C56-4383-B167-933075D5C39F"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tenda:ac15:1.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D5059CAD-BD1A-4808-BCED-006444E60701"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tenda:ac5_firmware:15.03.06.48_multi:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E540AF96-2B4E-4223-B15A-8DA89D2D12F1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tenda:ac5:1.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D141716B-56F0-4061-9D87-943B7858F2F4"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}