Vulnerability Details : CVE-2021-42787
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.
Published
2022-03-10 17:44:06
Updated
2022-03-15 19:37:50
Vulnerability category: Directory traversalInput validation
Products affected by CVE-2021-42787
- Riverbed » Steelcentral Appinternals Dynamic Sampling AgentVersions from including (>=) 12.0.0 and before (<) 12.13.0cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:*:*:*:*:*:*:*:*
- Riverbed » Steelcentral Appinternals Dynamic Sampling AgentVersions from including (>=) 11.0.0 and before (<) 11.8.8cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:*:*:*:*:*:*:*:*
- cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:10.0.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-42787
0.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 66 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-42787
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.4
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H |
3.9
|
5.5
|
Government Technology Agency of Singapore Cyber Security Group (GovTech CSG) | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-42787
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: cve_disclosure@tech.gov.sg (Secondary)
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-42787
-
https://aternity.force.com/customersuccess/s/article/Directory-Traversal-Write-Delete-Partial-Read-at-AgentConfigurationServlet-CVE-2021-42787
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