CVE-2021-34066
An issue was discovered in EdgeGallery/developer before v1.0. There is a "Deserialization of yaml...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-34066- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-34066- Updated
- 2026-11-02
EUVDEUVD-2021-20736 No score
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.
- Record
EUVD-2021-20736- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p4xg-pq3g-jw4c No score
An issue was discovered in EdgeGallery/developer before v1.0. There is a "Deserialization of yaml...
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.
- Record
GHSA-p4xg-pq3g-jw4c- Weakness
- CWE-502
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-34066- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-34066 is a critical vulnerability (CVSS 9.8) in Edgegallery Developer-be, published August 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.96%, the 80th percentile. No source names a fixed version.