Apache Groovy up to 2.4.20/2.5.13/3.0.6/4.0.0-alpha-1 Extension temp file

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache Groovy up to 2.4.20/2.5.13/3.0.6/4.0.0-alpha-1. It has been classified as problematic. The impacted element is an unknown function of the component Extension Handler. This manipulation causes temp file. This vulnerability is tracked as CVE-2020-17521. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Apache Groovy up to 2.4.20/2.5.13/3.0.6/4.0.0-alpha-1 and classified as problematic. Affected by this vulnerability is an unknown code block of the component Extension Handler. The manipulation with an unknown input leads to a temp file vulnerability. The CWE definition for the vulnerability is CWE-377. Creating and using insecure temporary files can leave application and system data vulnerable to attack. As an impact it is known to affect confidentiality.

The weakness was disclosed 12/08/2020. It is possible to read the advisory at groovy-lang.org. This vulnerability is known as CVE-2020-17521. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 2.4.21, 2.5.14, 3.0.7 or 4.0.0-alpha-2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2370). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Oracle Systems

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Temp file
CWE: CWE-377
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Groovy 2.4.21/2.5.14/3.0.7/4.0.0-alpha-2

Timelineinfo

08/12/2020 🔍
12/08/2020 +118 days 🔍
12/08/2020 +0 days 🔍
10/23/2025 +1780 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: groovy-lang.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-17521 (🔍)
GCVE (CVE): GCVE-0-2020-17521
GCVE (VulDB): GCVE-100-165667
CERT Bund: WID-SEC-2025-2370 - Oracle Systems: Mehrere Schwachstellen

Entryinfo

Created: 12/08/2020 06:12
Updated: 10/23/2025 09:07
Changes: 12/08/2020 06:12 (39), 12/13/2020 07:29 (5), 12/13/2020 07:33 (18), 10/23/2025 09:07 (22)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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