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CVE-2021-31517

HIGHCVSS 7.5/10EPSS 1.10%

Last modified

CVE-2021-31517 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Trend Micro Home Network Security 6.5.599 and earlier is vulnerable to a file-parsing vulnerability which could allow an attacker to exploit the vulnerability and cause a denial-of-service to the device. This vulnerability is similar, but not identical to CVE-2021-31518.. EPSS estimates a 1.10% chance of exploitation in the next 30 days.

Description

Trend Micro Home Network Security 6.5.599 and earlier is vulnerable to a file-parsing vulnerability which could allow an attacker to exploit the vulnerability and cause a denial-of-service to the device. This vulnerability is similar, but not identical to CVE-2021-31518.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
1.10%

61.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
TrendmicroHome Network Security<= 6.5.599

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-31517?
Trend Micro Home Network Security 6.5.599 and earlier is vulnerable to a file-parsing vulnerability which could allow an attacker to exploit the vulnerability and cause a denial-of-service to the device. This vulnerability is similar, but not identical to CVE-2021-31518.
How severe is CVE-2021-31517?
CVE-2021-31517 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.
How do I fix CVE-2021-31517?
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-2021-31517?

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

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Source: NVD / NIST