Vulnerability · Published Dec 17, 2021 · Assigned by google_android

CVE-2021-0673

High 7.8

In plain English

A high-severity security flaw in MT6779, MT6781, MT6785, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8183, MT8185, MT8195, MT8321, MT8385, MT8765, MT8766, MT8768, MT8771, MT8786, MT8788, MT8789,. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).

Severity (CVSS NVD)7.8High

Exploit odds (30 days)0.7%top 47.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

In Audio Aurisys HAL, there is a possible permission bypass due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05977326; Issue ID: ALPS05977326.

Affected products (as reported)

Vendor	Product	Versions
n/a	MT6779, MT6781, MT6785, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8183, MT8185, MT8195, MT8321, MT8385, MT8765, MT8766, MT8768, MT8771, MT8786, MT8788, MT8789, MT8791, MT8797	Android 10.0, 11.0, 12.0

References

https://corp.mediatek.com/product-security-bulletin/December-2021 x_refsource_MISC