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GovTech CSGCVELIST:CVE-2021-42857

HistoryMar 09, 2022 - 4:51 p.m.

CVE-2021-42857 Directory Traversal Partial Write at AgentDaServlet

2022-03-0916:51:44

CWE-20

GovTech CSG

www.cve.org

steelcentral appinternals

dsa agentdaservlet

directory traversal

cve-2021-42857

api

validation

malicious payload

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

AI Score

5.8

Confidence

High

EPSS

0.001

Percentile

35.5%

JSON

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.

CNA Affected

[
  {
    "product": "SteelCentral AppInternals Dynamic Sampling Agent",
    "vendor": "Aternity",
    "versions": [
      {
        "status": "affected",
        "version": "10.x"
      },
      {
        "lessThan": "12.13.0",
        "status": "affected",
        "version": "12.13.0",
        "versionType": "custom"
      },
      {
        "lessThan": "11.8.8",
        "status": "affected",
        "version": "11.8.8",
        "versionType": "custom"
      }
    ]
  }
]

References

aternity.force.com/customersuccess/s/article/Directory-Traversal-Partial-Write-at-AgentDaServlet-CVE-2021-42857

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

AI Score

5.8

Confidence

High

EPSS

0.001

Percentile

35.5%

JSON

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