CVE-2018-20050 — Mishandling of an empty string on the Jooan JA-Q1H Wi-Fi camera with firmware 21.0.0.91 allows remote attackers to cause a denial of service (crash and reboot) via the ONVIF GetStreamUri method and GetVideoEncoderConfigurationOptions method

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HIGH

Mishandling of an empty string on the Jooan JA-Q1H Wi-Fi camera with firmware 21.0.0.91 allows remote attackers to cause a denial of service (crash and reboot) via the ONVIF GetStreamUri method and GetVideoEncoderConfigurationOptions method

Published Dec 10, 2018

7.5

HIGH

CVSS 3.0

EPSS 1.49%

Description

Mishandling of an empty string on the Jooan JA-Q1H Wi-Fi camera with firmware 21.0.0.91 allows remote attackers to cause a denial of service (crash and reboot) via the ONVIF GetStreamUri method and GetVideoEncoderConfigurationOptions method.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.49% 0.01495

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

EPSS probability 0.01495

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	1.49% (0.01495)	73.23th	v5 (v2026.06.15)
Sep 20, 2026	1.49% (0.01495)	73.02th	v5 (v2026.06.15)
Jul 20, 2024	0.25% (0.00247)	65.17th	v3 (v2023.03.01)
Feb 8, 2024	0.25% (0.00247)	63.75th	v3 (v2023.03.01)
Mar 7, 2023	0.25% (0.00247)	60.81th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)
Feb 3, 2022	0.65% (0.00651)	18.22th	v5 (v2026.06.15)
Apr 14, 2021	0.65% (0.00651)	0.00th	v1

Weaknesses (0)

No CWE recorded.

References (1)

https://github.com/iamweifan/jooan/blob/master/es_poc.py
x_refsource_MISCExploitThird Party Advisory

Link	Providers	Tags
https://github.com/iamweifan/jooan/blob/master/es_poc.py		x_refsource_MISCExploitThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Dec 10, 2018

Updated Aug 5, 2024

Reserved Dec 10, 2018

Link CVE-2018-20050

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-20050

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-20050