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MitreCVE-2020-35229

HistoryMar 10, 2021 - 7:15 p.m.

CVE-2020-35229

2021-03-1019:15:12

CWE-384

mitre

web.nvd.nist.gov

cve-2020-35229

authentication token

reuse vulnerability

netgear

jgs516pe

gs116ev2

nvd

network traffic

CVSS2

5.8

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

Confidence

High

EPSS

0.001

Percentile

30.6%

JSON

The authentication token required to execute NSDP write requests on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices is not properly invalidated and can be reused until a new token is generated, which allows attackers (with access to network traffic) to effectively gain administrative privileges.

Affected configurations

Nvd

Node

netgeargs116e_firmwareMatch2.6.0.43

AND

netgeargs116eMatchv2

Node

netgearjgs516pe_firmwareMatch2.6.0.43

AND

netgearjgs516peMatch-

VendorProductVersionCPE
netgeargs116e_firmware2.6.0.43cpe:2.3:o:netgear:gs116e_firmware:2.6.0.43:*:*:*:*:*:*:*
netgeargs116ev2cpe:2.3:h:netgear:gs116e:v2:*:*:*:*:*:*:*
netgearjgs516pe_firmware2.6.0.43cpe:2.3:o:netgear:jgs516pe_firmware:2.6.0.43:*:*:*:*:*:*:*
netgearjgs516pe-cpe:2.3:h:netgear:jgs516pe:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
netgear	gs116e_firmware	2.6.0.43	cpe:2.3:o:netgear:gs116e_firmware:2.6.0.43:::::::*
netgear	gs116e	v2	cpe:2.3:h:netgear:gs116e:v2:::::::*
netgear	jgs516pe_firmware	2.6.0.43	cpe:2.3:o:netgear:jgs516pe_firmware:2.6.0.43:::::::*
netgear	jgs516pe	-	cpe:2.3:h:netgear:jgs516pe:-:::::::*

References

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

Social References

CVSS2

5.8

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

Confidence

High

EPSS

0.001

Percentile

30.6%

JSON

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