CVE-2021-38556

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

13.04% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 96.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2021-08-24 12:33Z5 YR AGO

Last updated

2024-08-04 01:44Z2 YR AGO

Reserved

2021-08-11

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')Class

Data version

5.1

Document digest

84c2d61049bb06ab1719d174cadbb659ef4f9ca5745893888e66e8e077c58e92

• github.comhttps://github.com/RaspAP/raspap-webguix_refsource_MISC
• github.comhttps://github.com/RaspAP/raspap-webgui/blob/0e1d652c5e55f812aaf2a5908884e9db179416ee/includes/configure_client.phpx_refsource_MISC
• zerosecuritypenetrationtesting.comhttps://zerosecuritypenetrationtesting.com/?page_id=306x_refsource_MISC