What’s Vulnerable › Vulnerabilities

CVE-2021-34066

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-30 · updated 2026-06-17
• Weakness: CWE-502

Description

An issue was discovered in EdgeGallery/developer before v1.0. There is a "Deserialization of yaml file" vulnerability that can allow attackers to execute system command through uploading the malicious constructed YAML file.

Affected products

• Edgegallery Developer-Be: before 1.0 — fixed in 1.0

How to fix

Upgrade to a fixed version: Edgegallery Developer-Be 1.0. Check the vendor advisory for mitigations.

References

• https://github.com/EdgeGallery/developer-be/issues/1
• https://github.com/EdgeGallery/developer-be/issues/1

Get alerted when CVE-2021-34066 or the next vulnerability affects your stack