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CVE-2021-42853

CRITICALCVSS 9.8/10EPSS 1.51%

Last modified

CVE-2021-42853 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent's (DSA) AgentDiagnosticServlet has directory traversal vulnerability at the "/api/appInternals/1.0/agent/diagnostic/logs" API. The affected endpoint does not have any input validation of the user's input that allows a malicious payload to be injected.. EPSS estimates a 1.51% chance of exploitation in the next 30 days.

Description

It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent's (DSA) AgentDiagnosticServlet has directory traversal vulnerability at the "/api/appInternals/1.0/agent/diagnostic/logs" API. The affected endpoint does not have any input validation of the user's input that allows a malicious payload to be injected.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
1.51%

71.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
RiverbedSteelcentral Appinternals Dynamic Sampling Agent>= 11.0.0, < 11.8.8
RiverbedSteelcentral Appinternals Dynamic Sampling Agent>= 12.0.0, < 12.13.0
RiverbedSteelcentral Appinternals Dynamic Sampling Agent10.0.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-42853?
It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent's (DSA) AgentDiagnosticServlet has directory traversal vulnerability at the "/api/appInternals/1.0/agent/diagnostic/logs" API. The affected endpoint does not have any input validation of the user's input that allows a malicious payload to be injected.
How severe is CVE-2021-42853?
CVE-2021-42853 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.51% probability of exploitation in the next 30 days.
How do I fix CVE-2021-42853?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-42853?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST