VulnerabilityModified

CVE-2021-42854

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.

CRITICAL 9.8EPSS 1.57%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 1.57% probability · 74th percentile
CISA KEV: Not listed
Weakness: CWE-20, CWE-22
Affected: riverbed/steelcentral appinternals dynamic sampling agent
Source: cve_disclosure@tech.gov.sg

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.