High severity · published Apr 22, 2020
CVE-2018-21121
Certain NETGEAR devices are affected by authentication bypass
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by authentication bypass. This affects GS810EMX before 1.0.0.5, XS512EM before 1.0.0.6, and XS724EM before 1.0.0.6.
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)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GF
Gs810emx Firmware · Netgear
before 1.0.0.5 · source: NVD
XF
Xs512em Firmware · Netgear
before 1.0.0.6 · source: NVD
XF
Xs724em Firmware · Netgear
before 1.0.0.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-21121
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-21121
Vendor Advisory
https://kb.netgear.com/000060237/Security-Advisory-for-Authentication-Bypass-on-Some-Switches-PSV-2018-0219
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