CVE-2021-31577: mediatek, inc. en7528, en7580 Missing Authorization
CVSS: 9.8v3.1CriticalModified
Published 06-02-2023Last modified 03-08-2024
Vulnerability summary
CVE-2021-31577 is a critical (CVSS 9.8) Missing Authorization vulnerability in mediatek, inc. en7528, en7580. EPSS estimates a 1.15% chance of exploitation in the next 30 days, higher than 66.3% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.15%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-02-2023PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
In Boa, there is a possible escalation of privilege due to a missing permission check. This could lead to remote escalation of privilege from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: A20210008; Issue ID: OSBNB00123241.
CVSS metrics
1 score · 1 source · 1 versionCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
EPSS trend
Probability
1.15%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
0.00 pp
From 1.15% on 20-09-2026
20-09-202620-10-2026
EPSS score1.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mediatek2 products
- en7528_firmware< tlm7.3.275.0-64
- en7580_firmware< tlm7.3.275.0-64
Mediatek, inc.1 product
- en7528, en7580Linux SDK versions less than TLM7.3.275.0-64
2 vendors · 3 products
References
1 links- corp.mediatek.com/product-security-acknowledgementsVendor Advisory