What is CVE-2021-28379?

CVE-2021-28379 is a high-severity vulnerability in Myvestacp Myvesta, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2021-03-15.

How severe is CVE-2021-28379?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-28379 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Myvestacp Myvesta

CVE-2021-28379

web/upload/UploadHandler.php in Vesta Control Panel (aka VestaCP) through 0.9.8-27 and myVesta through 0.9.8-26-39 allows uploads from a different origin.

Vulnerability class: Unrestricted File Upload

Published 2021-03-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.060 (93.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.060 · newest: 0.060 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

github.com/myvesta/vesta/commit/3402071e950e76b79fa8672a1e09b70d3860f355 (Patch, Third Party Advisory)
packetstormsecurity.com/files/161836/VestaCP-0.9.8-Cross-Site-Request-Forgery.h… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-28379?: CVE-2021-28379 is a high-severity vulnerability in Myvestacp Myvesta, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2021-03-15.
How severe is CVE-2021-28379?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-28379 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.