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

CVE-2021-42787Directory Traversal Write/Delete/Partial Read at AgentConfigurationServlet

Critical 9.4

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 1.3% (higher than 71% of all known vulnerabilities).

Severity (CVSS 3.1)9.4Critical

Exploit odds (30 days)1.3%top 28.9% 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) AgentConfigurationServlet has directory traversal vulnerabilities at the "/api/appInternals/1.0/agent/configuration" 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)

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:L/I:H/A:H

References

https://aternity.force.com/customersuccess/s/article/Directory-Traversal-Write-Delete-Partial-Read-at-AgentConfigurationServlet-CVE-2021-42787 x_refsource_CONFIRM