CVE-2021-20842

mediumpriority · track · 26EPSS 0.006 · 46 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.55% (46th) EPSS

CVSS 4.3 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

Cross-site request forgery (CSRF) vulnerability in EC-CUBE 2 series 2.11.0 to 2.17.1 allows a remote attacker to hijack the authentication of Administrator and delete Administrator via a specially crafted web page.

cvss

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

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:Nsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-352USprimaryCWE-352US

affected products (3)

Products and version ranges known to be affected.

EC-CUBE CO.,LTD. EC-CUBE 2 series≤ 2.11.0 to 2.17.1enisa_euvdEU
ec-cube ec-cube2.11.0 → 2.17.1nvdUScpe:2.3:a:ec-cube:ec-cube:*:*:*:*:*:*:*:*
Packagist ec-cube/ec-cube2.11.0 → 2.17.2osvUSpkg:composer/ec-cube/ec-cube

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-m9hv-qmqh-33qhEC-CUBE Cross-site request forgery (CSRF) vulnerability2022-05-24ghsa · osvUS
Cross-site request forgery (CSRF) vulnerability in EC-CUBE 2 series 2.11.0 to 2.17.1 allows a remote attacker to hijack the authentication of Administrator and delete Administrator via a specially crafted web page.

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 2021-11-24modified 2026-06-17

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+10356 more

references (9)

External citations — patches, advisories, analysis.

scry

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