CVE-2018-20106 — SMB printer settings don't escape characters in passwords properly

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HIGH

SMB printer settings don't escape characters in passwords properly

Published Mar 15, 2019

8.1

HIGH

CVSS 3.0

EPSS 1.02%

Description

In yast2-printer up to and including version 4.0.2 the SMB printer settings don't escape characters in passwords properly. If a password with backticks or simliar characters is supplied this allows for executing code as root. This requires tricking root to enter such a password in yast.

Affected products

Vendor SUSE Product Yast2-Printer Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <=4.0.2

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

Vendor

Product

Default status

Versions

SUSE

Yast2-Printer

n/a

Version	Status	Constraints
unspecified	affected	<=4.0.2

Remediation

No remediation recorded yet.

Metrics

1.02% 0.01023

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

EPSS probability 0.01023

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	1.02% (0.01023)	62.18th	v5 (v2026.06.15)
Sep 20, 2026	1.02% (0.01023)	61.98th	v5 (v2026.06.15)
Jul 20, 2024	0.22% (0.00223)	61.05th	v3 (v2023.03.01)
Nov 8, 2023	0.22% (0.00223)	60.45th	v3 (v2023.03.01)
Mar 7, 2023	0.31% (0.00312)	65.40th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.42% (0.00416)	10.04th	v5 (v2026.06.15)
Apr 14, 2021	0.42% (0.00416)	0.00th	v1