01 Record

CVE-2022-20203

In multiple locations of the nanopb library, there is a possible way to corrupt memory when decoding untrusted protobuf files. This could lead to local escalation of privilege,with no additional

UnratedPUBLISHEDCNA: google_android

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

In multiple locations of the nanopb library, there is a possible way to corrupt memory when decoding untrusted protobuf files. This could lead to local escalation of privilege,with no additional

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.12% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 1.9% of scored records. A rank, not a probability.
NVD base score: 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2022-06-15 21:50Z4 YR AGO

Last updated

2024-08-03 02:02Z2 YR AGO

Reserved

2021-10-14

Assigning CNA

google_android

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

dad2c5c72d17ce1dc2dcadebf1250fba2fc342dba2e346e16c3df7f1c4d99465

05 Affected products

VendorProductVersionsPlatforms

n/aAndroidAndroid-12L—

06 References

source.android.comhttps://source.android.com/security/bulletin/android-12lx_refsource_MISC