No exploitation reportedFix available

CVE-2020-25803

Q: Is CVE-2020-25803 actively exploited?

Active exploitation of CVE-2020-25803 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2020-25803?

CVE-2020-25803 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2020-10-06
Fixed in3.1.7 · 3.0.27
WeaknessCWE-913

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

Improper Control of Dynamically-Managed Code Resources vulnerability in Crafter Studio of Crafter CMS allows authenticated developers to execute OS commands via FreeMarker template exposed objects. This issue affects: Crafter Software Crafter CMS 3.0 versions prior to 3.0.27; 3.1 versions prior to 3.1.7.

Timeline

dates in UTC

2020-10-0615:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-25803?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-25803?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Craftercms studio

Branch	Affected	Fixed in	Source
3.1	≥ 3.1.0, < 3.1.7	3.1.7	NVD
3.0	≥ 3.0.0, < 3.0.27	3.0.27	NVD

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

Fix

Update Craftercms studio to 3.1.7 · 3.0.27

Advisories and patches

docs.craftercms.orgVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.14.2read 2026-10-23
NVDCVSS 3.17.2read 2026-10-23
NVDCVSS 2.09read 2026-10-23
CNAweakness (CWE)CWE-913read 2026-10-23
NVDweakness (CWE)CWE-913read 2026-10-23
FIRST EPSSEPSS score1.1 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published: 2020-10-06
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-25803?

Is CVE-2020-25803 actively exploited?

Active exploitation of CVE-2020-25803 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-25803?

CVE-2020-25803 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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