HOMEVULNERABILITIESCVE-2020-19672
CRITICAL

CVE-2020-19672

CWE-434Published: September 30, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2020-19672 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

niushop1 product(s)
niushop
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

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

All References (2)

→
https://github.com/bluecity/CMS/blob/master/niushop%20v1.1-upload/Niushop%20Multi-business%20V1.11-en.mdExploit · Third Party Advisory
→
https://github.com/bluecity/CMS/blob/master/niushop%20v1.1-upload/Niushop%20Multi-business%20V1.11-en.mdExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2020-19672
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-434
CISA KEVNo
Affected1 vendor(s)
PublishedSep 30, 2020

Related CVEs (CWE-434)

CVE-2025-26776
10.0
CVE-2024-49314
10.0
CVE-2021-38397
10.0
CVE-2024-32809
10.0
CVE-2024-49216
10.0
CVE-2024-49291
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-19672 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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