CVE-2018-21167

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.80% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 54.0% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-04-27 17:28Z6 YR AGO

Last updated

2024-08-05 12:26Z2 YR AGO

Reserved

2020-04-20

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 4.8)

CNA CVSS vector

CVSS:3.0/AC:L/AV:A/A:N/C:L/I:L/PR:H/S:C/UI:N

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

29a9de9ac252ee58122587724ee033acd7dfc160042767618ae00142a2a875d6

• kb.netgear.comhttps://kb.netgear.com/000055191/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Routers-Gateways-Extenders-and-DSL-Modems-PSV-2017-3093x_refsource_CONFIRM