What’s Vulnerable › Vulnerabilities

CVE-2020-12668

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-02-19 · updated 2026-06-17
• Weakness: CWE-863

Description

Jinjava before 2.5.4 allow access to arbitrary classes by calling Java methods on objects passed into a Jinjava context. This could allow for abuse of the application class loader, including Arbitrary File Disclosure.

Affected products

• HubSpot jinjava: before 2.5.4 — fixed in 2.5.4

How to fix

Upgrade to a fixed version: HubSpot jinjava 2.5.4. Check the vendor advisory for mitigations.

References

• https://github.com/HubSpot/jinjava/compare/jinjava-2.5.3...jinjava-2.5.4
• https://github.com/HubSpot/jinjava/pull/426/commits/5dfa5b87318744a4d020b66d5f7747acc36b213b
• https://github.com/HubSpot/jinjava/pull/435/commits/1b9aaa4b420c58b4a301cf4b7d26207f1c8d1165
• https://github.com/HubSpot/jinjava/releases/tag/jinjava-2.5.4
• https://securitylab.github.com/advisories/GHSL-2020-072-hubspot_jinjava
• https://github.com/HubSpot/jinjava/compare/jinjava-2.5.3...jinjava-2.5.4
• https://github.com/HubSpot/jinjava/pull/426/commits/5dfa5b87318744a4d020b66d5f7747acc36b213b
• https://github.com/HubSpot/jinjava/pull/435/commits/1b9aaa4b420c58b4a301cf4b7d26207f1c8d1165
• https://github.com/HubSpot/jinjava/releases/tag/jinjava-2.5.4
• https://securitylab.github.com/advisories/GHSL-2020-072-hubspot_jinjava

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