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01 Record

CVE-2021-42329

ShinHer Information Co., LTD. ShinHer StudyOnline System - Stored XSS

MediumPUBLISHEDCNA: twcert
CNA base score5.4 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

02 Description

ShinHer Information Co., LTD. ShinHer StudyOnline System - Stored XSS

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
0.58% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 47.8% of scored records. A rank, not a probability.
NVD base score
5.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/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.

04 Metadata

Published
2021-10-15 12:10Z5 YR AGO
Last updated
2024-09-17 00:00Z2 YR AGO
Reserved
2021-10-12
Assigning CNA
twcert
Record state
PUBLISHED
Severity
Medium (CVSS 5.4)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weaknesses
  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
Data version
5.1
Document digest
c6e780271b9b3adc945fb4f3a342f6c2f68dd9433c1d0405c3fc574e0c94eb09

05 Affected products

VendorProductVersionsPlatforms
ShinHer Information Co., LTD.ShinHer StudyOnline System<= 2021—

06 References

07 Remediation

Update ShinHer StudyOnline System to version v2021.08.20.01