Vulnerability · Published Mar 9, 2022 · Assigned by GovTech CSG
CVE-2021-42857Directory Traversal Partial Write at AgentDaServlet
Medium 5.3
In plain English
A medium-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 1.1% (higher than 67% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)1.1%top 33.0% 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) AgentDaServlet has directory traversal vulnerabilities at the "/api/appInternals/1.0/agent/da/pcf" API. The affected endpoint does not have any validation of the user's input that allows a malicious payload to be injected.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 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:N/I:L/A:N