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MitreCVELIST:CVE-2020-35782

HistoryDec 29, 2020 - 11:41 p.m.

CVE-2020-35782

2020-12-2923:41:12

mitre

www.cve.org

netgear

access control

firmware update

remote attackers

CVSS3

8.1

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.2

Confidence

High

EPSS

0.001

Percentile

47.8%

JSON

Certain NETGEAR devices are affected by lack of access control at the function level. This affects JGS516PE before 2.6.0.48, JGS524Ev2 before 2.6.0.48, JGS524PE before 2.6.0.48, and GS116Ev2 before 2.6.0.48. The TFTP firmware update mechanism does not properly implement firmware validations, allowing remote attackers to write arbitrary data to internal memory.

References

kb.netgear.com/000062636/Security-Advisory-for-Missing-Function-Level-Access-Control-on-Some-Smart-Managed-Plus-Switches-PSV-2020-0378

research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/

CVSS3

8.1

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.2

Confidence

High

EPSS

0.001

Percentile

47.8%

JSON

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