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No exploitation reported

CVE-2020-21976

No exploitation reported by the sources we read.

  • Published2021-08-11
  • WeaknessCWE-434

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An arbitrary file upload in the <input type="file" name="user_image"> component of NewsOne CMS v1.1.0 allows attackers to webshell and execute arbitrary commands.

Timeline

dates in UTC
  1. 2021-08-1118:15CVE publishedNVD

Versions per branch

NVD
Newsone cms project newsone cms
BranchAffectedFixed in
1.1= 1.1.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2021-08-11
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-pxpv-9jq7-3m5h

Frequently asked questions

What is CVE-2020-21976?

An arbitrary file upload in the <input type="file" name="user_image"> component of NewsOne CMS v1.1.0 allows attackers to webshell and execute arbitrary commands.

Is CVE-2020-21976 actively exploited?

Active exploitation of CVE-2020-21976 has not been confirmed. Its EPSS score was 1.8% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-21976?

CVE-2020-21976 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record