CVE-2021-42856 - CVE House
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Status published Medium CVE-2021-42856

Reflected Cross-site Scripting at DsaDataTest

Vulnerability Description

It was discovered that the /DsaDataTest endpoint is susceptible to Cross-site scripting (XSS) attack. It was noted that the Metric parameter does not have any input checks on the user input that allows an attacker to craft its own malicious payload to trigger a XSS vulnerability.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Darrel Huang, Bjorn Lim, Leng Kang Hao from Government Technology Agency of Singapore

References

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Affected Vendor

Affected Software

SteelCentral AppInternals Dynamic Sampling Agent
Vulnerable Versions:
10.x, 12.13.0, 11.8.8

Timeline

Official Publish: March 9th, 2022
Last Modified: September 17th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

Weaknesses (CWE)

CWE-20

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1213 Data from Information Repositories
Collection
T1565.002 Stored Data Manipulation
Impact