XSS in Aternity Steelcentral Appinternals Dynamic Sampling Agent
CVE-2021-42856
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (46.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Aternity Steelcentral Appinternals Dynamic Sampling Agent — versions 10.x, 12.13.0, 11.8.8
- Riverbed Steelcentral Appinternals Dynamic Sampling Agent — versions 10.0.0
Weakness classification (CWE)
References
- aternity.force.com/customersuccess/s/article/Reflected-Cross-site-Scripting-at-… (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-42856?
- CVE-2021-42856 is a medium-severity vulnerability in Aternity Steelcentral Appinternals Dynamic Sampling Agent, classified under Improper Input Validation. CVSS score: 4.7/10. Published 2022-03-10.
- How severe is CVE-2021-42856?
- Medium severity. CVSS v3 base score is 4.7 out of 10.