What is CVE-2021-34066?

CVE-2021-34066 is a critical-severity vulnerability in Edgegallery Developer-Be, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-08-30.

How severe is CVE-2021-34066?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Edgegallery Developer-Be

CVE-2021-34066

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.

Vulnerability class: Insecure Deserialization

EPSS: 0.020 (78.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Edgegallery Developer-be
N/a — versions n/a

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-34066?: CVE-2021-34066 is a critical-severity vulnerability in Edgegallery Developer-Be, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-08-30.
How severe is CVE-2021-34066?: Critical severity. CVSS v3 base score is 9.8 out of 10.