How severe is CVE-2020-19672?

CVE-2020-19672 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-19672 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-19672?

CVE-2020-19672 affects Niushop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-19672?

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

When was CVE-2020-19672 published?

CVE-2020-19672 was published on 2020-09-30 and last updated on 2026-06-17.

CVE-2020-19672

CVE-2020-19672 is a critical-severity vulnerability in Niushop with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Niushop
Published: 2020-09-30
Last modified: 2026-06-17

Description

Niushop B2B2C Multi-business basic version V1.11, can bypass the administrator to obtain the background upload interface, through parameter upload, bypass the getimagesize function, upload php file, getshell.

Frequently asked questions

What is CVE-2020-19672?: Niushop B2B2C Multi-business basic version V1.11, can bypass the administrator to obtain the background upload interface, through parameter upload, bypass the getimagesize function, upload php file, getshell.
How severe is CVE-2020-19672?: CVE-2020-19672 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-19672 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-19672?: CVE-2020-19672 affects Niushop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-19672?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-19672 published?: CVE-2020-19672 was published on 2020-09-30 and last updated on 2026-06-17.

References

https://github.com/bluecity/CMS/blob/master/niushop%20v1.1-upload/Niushop%20Multi-business%20V1.11-en.md

Affected products (1)

cpe:2.3:a:niushop:niushop:1.11:*:*:*:*:*:*:*

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CVE-2019-16311 — High (CVSS 8.8): NIUSHOP V1.11 has CSRF via search_info to index.php.
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CVE-2020-19670 — Medium (CVSS 4.9): In Niushop B2B2C Multi-Business Basic Edition V1.11, authentication can be bypassed, causing administrators to reset…

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