Vulnerability · Published Feb 9, 2022 · Assigned by MediaTek

CVE-2022-20034

Medium 6.8

In plain English

A medium-severity security flaw in MT6580, MT6735, MT6739, MT6761, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6799, MT6833, MT6853, MT6873, MT6875, MT6877, MT6885, MT6891, MT6893 from MediaTek, Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS NVD)6.8Medium

Exploit odds (30 days)<0.1%top 99.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

In Preloader XFLASH, there is a possible escalation of privilege due to an improper certificate validation. This could lead to local escalation of privilege for an attacker who has physical access to the device with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06160806; Issue ID: ALPS06160806.

Affected products (as reported)

Vendor	Product	Versions
MediaTek, Inc.	MT6580, MT6735, MT6739, MT6761, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6799, MT6833, MT6853, MT6873, MT6875, MT6877, MT6885, MT6891, MT6893	Android 11.0

References

https://corp.mediatek.com/product-security-bulletin/February-2022 x_refsource_MISC