How severe is CVE-2018-20050?

CVE-2018-20050 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-20050 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20050?

CVE-2018-20050 affects Qacctv Jooan Ja-q1h Wi-fi Camera Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20050?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-20050 published?

CVE-2018-20050 was published on 2018-12-10 and last updated on 2026-06-17.

CVE-2018-20050

CVE-2018-20050 is a high-severity vulnerability in Qacctv Jooan Ja-q1h Wi-fi Camera Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Qacctv Jooan Ja-q1h Wi-fi Camera Firmware
Published: 2018-12-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2018-20050?: CVE-2018-20050 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-20050 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20050?: CVE-2018-20050 affects Qacctv Jooan Ja-q1h Wi-fi Camera Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20050?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-20050 published?: CVE-2018-20050 was published on 2018-12-10 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:o:qacctv:jooan_ja-q1h_wi-fi_camera_firmware:21.0.0.91:*:*:*:*:*:*:*

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CVE-2018-20051 — High (CVSS 7.5): Mishandling of '>' on the Jooan JA-Q1H Wi-Fi camera with firmware 21.0.0.91 allows remote attackers to cause a denial…

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