CVE-2021-31576

Name: CVE-2021-31576
Creator: NVD / NIST
Published: 2023-02-06T22:15:09.37+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.01%

Last modified Jun 17, 2026

CVE-2021-31576 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In Boa, there is a possible information disclosure due to a missing permission check. This could lead to remote information disclosure to a proximal attacker with no additional execution privileges needed. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

Description

In Boa, there is a possible information disclosure due to a missing permission check. This could lead to remote information disclosure to a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: A20210008; Issue ID: OSBNB00123241.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.01%

58.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Mediatek	En7580 Firmware	< tlm7.3.275.0-64
Mediatek	En7528 Firmware	< tlm7.3.275.0-64

References

https://corp.mediatek.com/product-security-acknowledgementsVendor Advisory
https://corp.mediatek.com/product-security-acknowledgementsVendor Advisory

Timeline

Published: Feb 6, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31576?

How severe is CVE-2021-31576?

CVE-2021-31576 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31576?

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-2021-31576?

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

Scan your code now

Source: NVD / NIST