CVE-2018-9471 — In the deserialization constructor of NanoAppFilter.java, there is a possible loss of data due to type confusion

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CRITICAL

In the deserialization constructor of NanoAppFilter.java, there is a possible loss of data due to type confusion

Published Nov 20, 2024

9.8

CRITICAL

CVSS 3.1

EPSS 0.17%

Description

In the deserialization constructor of NanoAppFilter.java, there is a possible loss of data due to type confusion. This could lead to local escalation of privilege in the system server with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected products

Vendor Google Product Android Default
unaffected
- Version
  7
  Status
  affected
  Constraints
  -
- Version
  8
  Status
  affected
  Constraints
  -
- Version
  8.1
  Status
  affected
  Constraints
  -
- Version
  9
  Status
  affected
  Constraints
  -
- Version
  nyc-mr1-dev
  Status
  affected
  Constraints
  -
- Version
  nyc-mr2-dev
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Google

Android

unaffected

Version	Status	Constraints
7	affected	-
8	affected	-
8.1	affected	-
9	affected	-
nyc-mr1-dev	affected	-
nyc-mr2-dev	affected	-

Vendor Google Product Android Default
n/a
- Version
  7.0
  Status
  affected
  Constraints
  -
- Version
  8.0
  Status
  affected
  Constraints
  -
- Version
  8.1
  Status
  affected
  Constraints
  -
- Version
  9.0
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Google

Android

n/a

Version	Status	Constraints
7.0	affected	-
8.0	affected	-
8.1	affected	-
9.0	affected	-

Remediation

No remediation recorded yet.

Metrics

0.17% 0.00168

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00168

Score over time

2024–2026

EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v3
EPSS v4
EPSS v5

Table of values (5 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.17% (0.00168)	5.42th	v5 (v2026.06.15)
Jun 15, 2026	0.17% (0.00168)	6.45th	v5 (v2026.06.15)
Mar 17, 2025	0.03% (0.00027)	4.59th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00043)	10.81th	v3 (v2023.03.01)
Nov 21, 2024	0.04% (0.00043)	10.30th	v3 (v2023.03.01)