How severe is CVE-2020-25803?

CVE-2020-25803 has a CVSS score of 7.2/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2020-25803?

CVE-2020-25803 affects the following packages: org.craftercms:crafter-studio (Maven), org.craftercms:crafter-studio (Maven). Ecosystems affected: Maven.

How do I fix CVE-2020-25803?

Update org.craftercms:crafter-studio to 3.0.27 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-25803 is resolved across your whole dependency graph.

How do I detect CVE-2020-25803 in my Maven dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.craftercms:crafter-studio, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2020-25803 if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Is CVE-2020-25803 actively exploited in the wild?

No public exploit code has been indexed for CVE-2020-25803 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

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

CVE-2020-25803 has an EPSS (Exploit Prediction Scoring System) score of 1.1%, placing it in the 66th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2020-25803?

CVE-2020-25803 is classified as CWE-913 (CWE-913). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2020-25803 published, and has it been updated?

CVE-2020-25803 was published on October 6, 2020 and was last updated on October 24, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

☕

☕ Maven

Not in CISA KEV

HIGH severity

CVE-2020-25803 — crafter-studio

HIGH

CVE-2020-25803 is a high-severity (CVSS 7.2) CWE-913 vulnerability in org.craftercms:crafter-studio. A fix is available for org.craftercms:crafter-studio — see the affected versions and patch details below.

Improper Control of Dynamically-Managed Code Resources in Crafter CMS Crafter Studio

Also known asGHSA-8786-wg74-f522

Published

Oct 6, 2020

Updated

Oct 24, 2026

Affected

2 pkgs

Patched

2 / 2

Exploits

None indexed

Exploitation data as of Nov 1, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

1.1%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs66th percentile — riskier than 66% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

2 pkgs affected

☕org.craftercms:crafter-studio☕org.craftercms:crafter-studio

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

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.

Affected Packages

2 total 2 fixed

Ecosystem	Package	Vulnerable range	Fix
☕Maven	`org.craftercms:crafter-studio`	≥ 3.0&&< 3.0.27	3.0.27`org.craftercms:crafter-studio:3.0.27`
☕Maven	`org.craftercms:crafter-studio`	≥ 3.1&&< 3.1.7	3.1.7`org.craftercms:crafter-studio:3.1.7`

Affected Products

1 product · 2 configurations

Application

studiocraftercms

≥ 3.1.0 && < 3.1.7

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.craftercms:crafter-studio, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.craftercms:crafter-studio to 3.0.27 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-25803 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2020-25803 in your dependencies?

Find it across Maven, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVSS Score

7.2/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE Classification

CWE-913CWE-913

Weaponization

No Nuclei template, Metasploit module or public proof-of-concept found.

Timeline

Disclosed

Oct 6, 2020

Last updated

Oct 24, 2026

Identifiers

CVE-2020-25803

GHSA-8786-wg74-f522

References

Advisorydocs.craftercms.org · advisory Advisorynvd.nist.gov · CVE 2020 25803

Related vulnerabilities

This CVE is high severity; 7 of 8 other CVEs affecting crafter-studio are rated as high or higher (top: critical).

CVE-2025-6384CVE-2022-40634CVE-2021-23267CVE-2017-15685CVE-2017-15681CVE-2017-15684CVE-2017-15686CVE-2020-25802

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedOct 24, 2026

CVE-2020-25803 — crafter-studio

EPSS Exploitation Probability

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

Description

Affected Packages

Affected Products

Detection & mitigation playbook

Detect

Fix

Workarounds

Frequently Asked Questions

Is CVE-2020-25803 in your dependencies?