Vulnerability · Published Mar 9, 2022 · Assigned by GovTech CSG

CVE-2021-42854Directory Traversal Read/Write/Delete at PluginServlet

Critical 9.8

In plain English

A critical-severity improper input validation in SteelCentral AppInternals Dynamic Sampling Agent from Aternity. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 75% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.6%top 24.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent's (DSA) PluginServlet has directory traversal vulnerabilities at the "/api/appInternals/1.0/plugin/pmx" API. The affected endpoint does not have any input validation of the user's input that allows a malicious payload to be injected.

Affected products (as reported)

VendorProductVersions
Aternity SteelCentral AppInternals Dynamic Sampling Agent 10.x12.13.0 – before 12.13.011.8.8 – before 11.8.8

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References