What is CVE-2022-20073?

CVE-2022-20073 is a medium-severity vulnerability in Google Android, classified under Integer Underflow. CVSS score: 6.6/10. Published 2022-04-11.

How severe is CVE-2022-20073?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Is CVE-2022-20073 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in Google Android

CVE-2022-20073

In preloader (usb), there is a possible out of bounds write due to a integer underflow. 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 needed for exploitation. Patch ID: ALPS06160841; Issue ID: ALPS06160841.

EPSS: 0.002 (6.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 10.0, 11.0, 12.0
Mediatek Mt2601
Mediatek Mt6580
Mediatek Mt6735
Mediatek Mt6739
Mediatek Mt6761
Mediatek Mt6763
Mediatek Mt6765
Mediatek Mt6768
Mediatek Mt6771

Weakness classification (CWE)

CWE-191 — Integer Underflow

Public proof-of-concept exploits

m1erphy/CVE-2022-20073

References

security@mediatek.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2022-20073?: CVE-2022-20073 is a medium-severity vulnerability in Google Android, classified under Integer Underflow. CVSS score: 6.6/10. Published 2022-04-11.
How severe is CVE-2022-20073?: Medium severity. CVSS v3 base score is 6.6 out of 10.
Is CVE-2022-20073 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.