VULNERABILITY INTELLIGENCE

CVE-2022-20203

CVSS score7.8 HIGH
EPSS probability0.12%
CISA KEVNot currently listed
Published2022-06-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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 execution privileges needed. User interaction is not needed for exploitation.

Weakness classification

  • CWE-787: Out-of-bounds Write

Primary references