CVE-2020-36388
HIGHCVSS 8.8/10EPSS 1.48%
Last modified
CVE-2020-36388 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. In CiviCRM before 5.21.3 and 5.22.x through 5.24.x before 5.24.3, users may be able to upload and execute a crafted PHAR archive.. EPSS estimates a 1.48% chance of exploitation in the next 30 days.
Description
In CiviCRM before 5.21.3 and 5.22.x through 5.24.x before 5.24.3, users may be able to upload and execute a crafted PHAR archive.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Civicrm | Civicrm | < 5.21.3 |
| Civicrm | Civicrm | >= 5.22.0, < 5.24.3 |
References
- https://blog.sonarsource.com/civicrm-code-execution-vulnerability-chain-explained/Exploit, Third Party Advisory
- https://civicrm.org/advisory/civi-sa-2020-03Vendor Advisory
- https://blog.sonarsource.com/civicrm-code-execution-vulnerability-chain-explained/Exploit, Third Party Advisory
- https://civicrm.org/advisory/civi-sa-2020-03Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-36388?
In CiviCRM before 5.21.3 and 5.22.x through 5.24.x before 5.24.3, users may be able to upload and execute a crafted PHAR archive.
How severe is CVE-2020-36388?
CVE-2020-36388 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.48% probability of exploitation in the next 30 days.
How do I fix CVE-2020-36388?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-36388?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST