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CVE-2021-42856

MEDIUMCVSS 6.1/10EPSS 0.58%

Last modified

CVE-2021-42856 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. It was discovered that the /DsaDataTest endpoint is susceptible to Cross-site scripting (XSS) attack. It was noted that the Metric parameter does not have any input checks on the user input that allows an attacker to craft its own malicious payload to trigger a XSS vulnerability.. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

Description

It was discovered that the /DsaDataTest endpoint is susceptible to Cross-site scripting (XSS) attack. It was noted that the Metric parameter does not have any input checks on the user input that allows an attacker to craft its own malicious payload to trigger a XSS vulnerability.

Metrics

CVSS 3.1
6.1/10

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

EPSS Probability
0.58%

43.3th 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-2021-42856?
It was discovered that the /DsaDataTest endpoint is susceptible to Cross-site scripting (XSS) attack. It was noted that the Metric parameter does not have any input checks on the user input that allows an attacker to craft its own malicious payload to trigger a XSS vulnerability.
How severe is CVE-2021-42856?
CVE-2021-42856 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.
How do I fix CVE-2021-42856?
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-2021-42856?

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

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Source: NVD / NIST