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01 Record

CVE-2021-26639

WISA Smart Wing CMS File Download Vulnerability

HighPUBLISHEDCNA: krcert
CNA base score8.1 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

02 Description

WISA Smart Wing CMS File Download Vulnerability

03 Exploitation and scoring

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
0.46% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 39.9% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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.

04 Metadata

Published
2022-08-17 20:21Z4 YR AGO
Last updated
2024-08-03 20:26Z2 YR AGO
Reserved
2021-02-03
Assigning CNA
krcert
Record state
PUBLISHED
Severity
High (CVSS 8.1)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weaknesses
  • CWE-20Improper Input ValidationClass
  • CWE-494Download of Code Without Integrity CheckBase
Data version
5.1
Document digest
d3c623e93a36da0db6eb48f2805afbbc6346c50c8495e8e3b07d404d0c8ce3ff

05 Affected products

VendorProductVersionsPlatforms
WISA corp.Smart Wing CMS< r18715.20211229Linux

06 References