High severity · published Mar 10, 2021
CVE-2020-35229
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…
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GF
Gs116e Firmware · Netgear
2.6.0.43 · source: NVD
JF
Jgs516pe Firmware · Netgear
2.6.0.43 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-35229
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-35229
Vendor Advisory
https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/
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