CVE-2021-43464

mediumpriority · track · 35EPSS 0.014 · 73 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.42% (73rd) EPSS

CVSS 6.5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

A Remiote Code Execution (RCE) vulnerability exiss in Subrion CMS 4.2.1 via modified code in a background field; when the information is modified, the data in it will be executed through eval().

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-95USLLM-inferred

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
intelliants subrion cms= 4.2.1nvdUScpe:2.3:a:intelliants:subrion_cms:*:*:*:*:*:*:*:*
Packagist intelliants/subrion≤ 4.2.1osvUSpkg:composer/intelliants/subrion

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-g54x-29xv-58h5Remote code execution in Subrion2022-04-05ghsa · osvUS
Subrion is an open source php content management system. A Remiote Code Execution (RCE) vulnerability exiss in Subrion CMS 4.2.1 via modified code in a background field; when the information is modified, the data in it will be executed through eval().

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2022-04-04modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

https://cxsecurity.com/cveshow/CVE-2021-43464/cnnvd
https://github.com/intelliants/subrion/issues/888 cnnvd
https://github.com/intelliants/subrion/issues/888 enisa_euvd
https://github.com/intelliants/subrion/issues/888ExploitIssue TrackingThird Party Advisorynvd

scry

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