CVE-2020-35221 — HIGH (8.8)

Vulnerability Description

The hashing algorithm implemented for NSDP password authentication on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices was found to be insecure, allowing attackers (with access to a network capture) to quickly generate multiple collisions to generate valid passwords, or infer some parts of the original.

CVSS Score

8.8

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Netgear	Gs116E Firmware	2.6.0.43
Netgear	Gs116E	v2
Netgear	Jgs516Pe Firmware	2.6.0.43
Netgear	Jgs516Pe	-

Related Weaknesses (CWE)

CWE-326

References

https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabiliVendor Advisory
https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabiliVendor Advisory

FAQ

What is CVE-2020-35221?

CVE-2020-35221 is a vulnerability with a CVSS score of 8.8 (HIGH). The hashing algorithm implemented for NSDP password authentication on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices was found to be insecure, allowing attackers (with access to a network capture) to qui...

How severe is CVE-2020-35221?

CVE-2020-35221 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-35221?

Check the references section above for vendor advisories and patch information. Affected products include: Netgear Gs116E Firmware, Netgear Gs116E, Netgear Jgs516Pe Firmware, Netgear Jgs516Pe.